presentation pdf added
Update README.md
Update README.md
Merge branch 'feature/user-login'
Change delimeters for Go/Revel templates.
Update HACKING.md

Added more code style guidlines
Update HACKING.md

update
Update HACKING.md

update
Update HACKING.md
Update HACKING.md
Update HACKING.md
Merge branch 'master' into feature/user-login