update versions

-update: ruby version from 1.9.3 to 2.2.1
-update: rvm version from unspecified to 1.26.11
-add: install mpapis public key for rvm > 1.26.0 (see: https://rvm.io/rvm/security)
-update: expected version confirmation text

Author: leesharma

rails-install-ubuntu.sh

@@ -12,12 +12,13 @@ echo "Installs ImageMagick for image processing"
 sudo apt-get install imagemagick --fix-missing -y
 
 echo "Installs RVM (Ruby Version Manager) for handling Ruby installation"
-curl -L get.rvm.io | bash -s stable
+gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+curl -sSL https://get.rvm.io | bash -s -- --version 1.26.11
 source ~/.rvm/scripts/rvm
 
 echo "Installs Ruby"
-rvm install 1.9.3-p547
-rvm use 1.9.3-p547 --default
+rvm install 2.2.1
+rvm use 2.2.1 --default
 
 gem install bundler --no-rdoc --no-ri
 gem install rails --no-rdoc --no-ri
@@ -29,13 +30,13 @@ echo -e "Now we are going to print some information to check that everything is
 # echo -n "Should be brew 0.8 or higher:       brew "
 # brew -v
 
-echo -n "Should be sqlite 3.7.3 or higher: sqlite "
+echo -n "Should be sqlite 3.8.1 or higher: sqlite "
 sqlite3 --version
-echo -n "Should be rvm 1.6.32 or higher:          "
+echo -n "Should be rvm 1.26.11:          "
 rvm --version | sed '/^.*$/N;s/\n//g' | cut -c 1-10
-echo -n "Should be ruby 1.9.3-p547:                "
+echo -n "Should be ruby 2.2.1:                "
 ruby -v | cut -d " " -f 2
-echo -n "Should be Rails 3.2.2 or higher:         "
+echo -n "Should be Rails 4.2.1 or higher:         "
 rails -v
 echo -e "\n- - - - - -\n"