diff --git a/installer/install.sh b/installer/install.sh
--- a/installer/install.sh
+++ b/installer/install.sh
@@ -2,7 +2,8 @@
 
 echo "This script will install and configure Cafe grader."
 
-echo "This will install Ruby 1.9.2 under rvm"
+RUBY_VERSION=2.1.2
+echo "This will install Ruby $RUBY_VERSION under RVM"
 
 echo "Installing required apts"
 
@@ -13,16 +14,16 @@
   zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev \
   sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev \
   ncurses-dev automake libtool bison subversion \
-  pkg-config curl nodejs unzip
+  pkg-config curl nodejs unzip pyflakes ruby default-jdk
 
 echo "Installing RVM"
 curl -k -L https://get.rvm.io | bash -s stable
-~/.rvm/scripts/rvm
+source ~/.rvm/scripts/rvm
 
-echo "Installing Ruby 1.9.2 in RVM"
+echo "Installing Ruby $RUBY_VERSION in RVM"
 
-rvm install 1.9.2
-rvm use 1.9.2
+rvm install $RUBY_VERSION
+rvm use $RUBY_VERSION
 
 echo "Fetching Cafe Grader from Git repositories"
 
@@ -37,6 +38,18 @@
 cp web/config/application.rb.SAMPLE web/config/application.rb
 cp web/config/initializers/cafe_grader_config.rb.SAMPLE web/config/initializers/cafe_grader_config.rb
 
+#replace UTC in application.rb with the system timezone
+timezone='UTC'
+if [ -f '/etc/timezone' ]; then
+  timezone=\"`cat /etc/timezone`\"
+else
+  if [ -f '/etc/sysconfig/clock' ]; then
+    timezone=`grep -e '^TIMEZONE' /etc/sysconfig/clock | grep -o -e '\".*\"'`
+  fi
+fi
+replace="s!'UTC'!$timezone!g"
+sed -i $replace web/config/application.rb
+
 echo "At this point we will need MySQL user and database."
 echo "Have you created MySQL user and database for Cafe grader? (Y/N) "
 read ch
@@ -114,6 +127,10 @@
 rake db:migrate
 rake db:seed
 
+echo "Running rake tasks to precompile the assets"
+
+rake assets:precompile
+
 echo "Intalling web interface complete..."
 echo
 echo "Fetching grader"
@@ -140,6 +157,15 @@
 echo "require File.join(File.dirname(__FILE__),'../lib/boot')" >> scripts/config/environment.rb
 echo "require File.dirname(__FILE__) + \"/env_#{GRADER_ENV}.rb\"" >> scripts/config/environment.rb
 
+# compiling box
+MACHINE_TYPE=`uname -m`
+if [ ${MACHINE_TYPE} == 'x86_64' ]; then
+  gcc -std=c99 -o scripts/std-script/box scripts/std-script/box64-new.c
+else
+  g++ -o scripts/std-script/box scripts/std-script/box.cc
+fi
+
+
 cd ..
 
 echo "Now you are ready to run cafe grader...."
diff --git a/new_problem b/new_problem
--- a/new_problem
+++ b/new_problem
@@ -1,4 +1,4 @@
-#!/usr/bin/ruby
+#!/usr/bin/env ruby
 
 # new_problem:
 #  * creates a directory for a problem in the current directory,
diff --git a/std-script/box64-new.c b/std-script/box64-new.c
--- a/std-script/box64-new.c
+++ b/std-script/box64-new.c
@@ -1656,6 +1656,8 @@
 -w <time>\tSet wall clock time limit (seconds, fractions allowed)\n\
 -x <time>\tSet extra timeout, before which a timing-out program is not yet killed,\n\
 \t\tso that its real execution time is reported (seconds, fractions allowed)\n\
+-A <opt>\tPass <opt> as additional argument to the <command>\n\
+\t\tBe noted that this option will be appended after <arguments> respectively\n\
 ");
   exit(2);
 }
@@ -1665,8 +1667,10 @@
 {
   int c;
   uid_t uid;
+  char **prog_argv = xmalloc(sizeof(char*) * argc);
+  int prog_argc = 0;
 
-  while ((c = getopt(argc, argv, "a:c:eE:fi:k:m:M:o:p:r:s:t:Tvw:x:")) >= 0)
+  while ((c = getopt(argc, argv, "a:c:eE:fi:k:m:M:o:p:r:s:t:Tvw:x:A:")) >= 0)
     switch (c)
       {
       case 'a':
@@ -1725,6 +1729,9 @@
 	break;
       case 'x':
 	extra_timeout = 1000*atof(optarg);
+      case 'A':
+  prog_argv[prog_argc++] = strdup(optarg);
+  break;
 	break;
       default:
 	usage();
@@ -1739,9 +1746,15 @@
   box_pid = fork();
   if (box_pid < 0)
     die("fork: %m");
-  if (!box_pid)
-    box_inside(argc-optind, argv+optind);
-  else
+  if (!box_pid) {
+    int real_argc = prog_argc + argc - optind;
+    char **real_argv = xmalloc(sizeof(char*) * (real_argc));
+    for (int i = 0;i < argc-optind;i++)
+      real_argv[i] = strdup(argv[i+optind]);
+    for (int i = 0;i < prog_argc;i++)
+      real_argv[argc - optind + i] = strdup(prog_argv[i]);
+    box_inside(real_argc, real_argv);
+  } else
     boxkeeper();
   die("Internal error: fell over edge of the world");
 }
diff --git a/std-script/run b/std-script/run
--- a/std-script/run
+++ b/std-script/run
@@ -104,13 +104,13 @@
       classname = line
     end
     #for java, we cannot really check the memory limit...
-    run_command = "#{problem_home}/script/box -a 3 -f -T -t #{time_limit} #{JAVA_OPTION} -i #{input_file_name} -o output.txt /usr/bin/java #{classname} "
+    run_command = "#{problem_home}/script/box -a 3 -f -T -t #{time_limit} #{JAVA_OPTION} -i #{input_file_name} -o output.txt /usr/bin/java -A -Xmx#{mem_limit}k -A #{classname} "
   when "ruby"
     run_command = "#{problem_home}/script/box -a 2 -f -T -t #{time_limit*=2} -m #{mem_limit} #{RUBY_OPTION} -i #{input_file_name} -o output.txt /usr/bin/ruby #{program_name} "
   when "python"
     run_command = "#{problem_home}/script/box -a 2 -f -T -t #{time_limit*=2} -m #{mem_limit} #{PYTHON_OPTION} -i #{input_file_name} -o output.txt /usr/bin/python #{program_name} "
   when "php"
-    run_command = "#{problem_home}/script/box -a 2 -f -T -t #{time_limit*=2} #{PHP_OPTION} -i #{input_file_name} -o output.txt /usr/bin/php #{program_name} "
+    run_command = "#{problem_home}/script/box -a 2 -f -T -t #{time_limit*=2} -m #{[128*1024,mem_limit].max} #{PHP_OPTION} -i #{input_file_name} -o output.txt /usr/bin/php -A -d -A memory_limit=#{mem_limit}k -A #{program_name} "
   else # for c++, pascal, we do the normal checking
     run_command = "#{problem_home}/script/box -a 2 -f -T -t #{time_limit} -m #{mem_limit} -i #{input_file_name} -o output.txt #{program_name} "
 end
diff --git a/templates/check_wrapper b/templates/check_wrapper
--- a/templates/check_wrapper
+++ b/templates/check_wrapper
@@ -1,4 +1,4 @@
-#!/usr/bin/ruby
+#!/usr/bin/env ruby
 
 #
 # This is a check script wrapper.  It read all required information
diff --git a/test/data/ev/test_memory/script/check b/test/data/ev/test_memory/script/check
--- a/test/data/ev/test_memory/script/check
+++ b/test/data/ev/test_memory/script/check
@@ -1,4 +1,4 @@
-#!/usr/bin/ruby
+#!/usr/bin/env ruby
 
 problem_home = ENV['PROBLEM_HOME']
 require "#{problem_home}/script/test_dsl.rb"
diff --git a/test/data/ev/test_normal/script/check b/test/data/ev/test_normal/script/check
--- a/test/data/ev/test_normal/script/check
+++ b/test/data/ev/test_normal/script/check
@@ -1,4 +1,4 @@
-#!/usr/bin/ruby
+#!/usr/bin/env ruby
 
 problem_home = ENV['PROBLEM_HOME']
 require "#{problem_home}/script/test_dsl.rb"
diff --git a/test/data/ev/test_timeout/script/check b/test/data/ev/test_timeout/script/check
--- a/test/data/ev/test_timeout/script/check
+++ b/test/data/ev/test_timeout/script/check
@@ -1,4 +1,4 @@
-#!/usr/bin/ruby
+#!/usr/bin/env ruby
 
 problem_home = ENV['PROBLEM_HOME']
 require "#{problem_home}/script/test_dsl.rb"
diff --git a/test/engine_spec.rb b/test/engine_spec.rb
--- a/test/engine_spec.rb
+++ b/test/engine_spec.rb
@@ -202,7 +202,7 @@
                     :grader_comment= => '',
                     :running_stat= => /0.0\d* sec./, 
                     :output_file_name= => lambda { |fname|
-                      File.exists?(fname).should be_true
+                      File.exists?(fname).should be true
                     },
                     :running_time= => nil,
                     :exit_status= => nil,
@@ -226,7 +226,7 @@
                     :exit_status= => nil,
                     :memory_usage= => nil,
                     :save => nil})
-    File.exists?(@config.user_result_dir + "/test_request/test_normal/test_cases/1/input-1.txt").should be_false
+    File.exists?(@config.user_result_dir + "/test_request/test_normal/test_cases/1/input-1.txt").should be false
   end
 
   it "should compile test request with error and report compilation error" do
@@ -255,7 +255,7 @@
                     :grader_comment= => '',
                     :running_stat= => /[Ee]xit.*status.*10.*0\.0\d* sec/m,
                     :output_file_name= => lambda { |fname|
-                      File.exists?(fname).should be_true
+                      File.exists?(fname).should be true
                     },
                     :running_time= => nil,
                     :exit_status= => /10/,
@@ -275,7 +275,7 @@
                     :grader_comment= => '',
                     :running_stat= => nil,
                     :output_file_name= => lambda { |fname|
-                      File.exists?(fname).should be_true
+                      File.exists?(fname).should be true
                     },
                     :running_time= => lambda { |t|
                       (t>=0.14) and (t<=0.16)