Merge pull request #3 from milescray/master

Minor update to edurange.rb
Updated RDoc in edurange.rb
edurange-setup now creates .bash_profile if it does not exist
Clarified edurange-setup, makes it print lines added to .bash_profile

Keypair name request is more clear
Outputs the lines added to .bash_profile when script is run
Lots of modifications. Again, sorry for big commit, rushed
Added software packages && added player package in yml
Moved users_to_bash to helper. Collect users
Oops, syntax error
No params
If no users, don't try to iterate through them
More fixes
Bug fixes
Oops, no spaces in bash variables..
Bad fix for now
Another fix
Failsafe
Oops
Merge branch 'master' of git://github.com/sboesen/edurange into rdoc
Standard merge of new changes