Merge pull request #25 from PicoPlan/bootstrap

Bootstrap
Merge pull request #26 from PicoPlan/bootstrap

AssetsBundle | adds assetics proper config
yaiba | Finally a new clean branch
yaiba | Deleting old php files (yaml choosen, easier to use)
yaiba | /src/Pico/UserManagementBundle - Homepage created, User entity created (still have to add 'security_lvl' field in database)
Merge pull request #29 from PicoPlan/yaiba

yaiba | Finally a new clean branch 2.0
AssetsBundle | adds default sidebar