Merge pull request #1 from mcilloni/master

Readme fixes
Adjusts tests to nerdz-test-db. Update README.md
Pull request to jinzhu/gorm. Use of my fork until my pull request wont be accepted. Use of pluck to select fields and scan values into slices. Now methods to post interface. Fixes
Use of official jinzhu/gorm orm and not my fork. Pull request merged
Implements post interface. Tests
Fixes and add documentation
Improve logic. Improve interfaces. Add useful interfaces. Add support to user action like post on profile and project. Fixes
Use new db version with triggers.
Use new db version with triggers.
WIP, comments
Improve namespace. Add support for comments. Improve NewMessage interface implementations
Added gccgo support to testAll