upgrade_ruby.sh in cryptum-0.0.233 vs upgrade_ruby.sh in cryptum-0.0.234

@@ -31,12 +31,11 @@
 if [[ $# < 1 ]]; then
   usage
 fi
 
 # Upgrade RVM
-#curl -sSL https://get.rvm.io | sudo bash -s latest
 export rvmsudo_secure_path=1
-rvmsudo rvm get latest
+rvmsudo rvm get head
 rvm reload
 
 # Install New Version of RubyGems & Ruby
 cd $cryptum_root && ./upgrade_gem.sh
 rvmsudo rvm install ruby-$new_ruby_version