Merge pull request #4 from geoffadams/master

Set the default Rake task to execute RSpec tests
Update README.md

For travis build image
Update README.md
Added Kalahari files to Kiwano
Added new kalahari namespace to rake tasks

Kalahari can now be started when you have the kiwano gem by typing rake
kalahari:deploy
Fix output
Updated Rake task

And opens page
Added kiwano deploy_server command
Upgrade .rvmrc to .ruby-gemset + .ruby-version