use socialauth 4.0
fix param types for api functions
Use TimestampListener for DAO operations
db structure changes:timestamp/versioned models
Merge branch 'pickle' of https://github.com/hakandilek/publicplay into
pickle

Conflicts:
	app/models/dao/CommentDAO.java
	app/models/dao/PostDAO.java
	app/models/dao/UserDAO.java
	conf/evolutions/default/1.sql
	conf/routes
	project/Build.scala