Loads RVM into a shell session on Ubuntu 13.10

Every time you need to use RVM from the command line you need to run this command:

source $HOME/.rvm/scripts/rvm

To initialises the ruby enviroment and avoid have to write this line each time you want to run a ruby command you should run this command ones:

echo "source $HOME/.rvm/scripts/rvm" >> ~/.bashrc

source