Merge pull request #10 from varvet/authentication

Authentication
Removes some comments
Added new action to godmin resource module
Removed calls to godmin_render_partial
Added head partial
Added edit action to godmin resource module
Added travis
Updated travis and stuff
Try to fix travis again
Update and rename README.rdoc to README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
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Makes generators use engine namespace directly