Statistics.php switched to mongo
Log.php switched to mongodb
Added UserService and setup for refactored Context
updated and documented Hasher.php
converted registration system to mongodb
converted login system to mongodb
fixed incorrect comparison in 'user' call
Removed old/deprecated/never to be used again functions from Context.php
new permission system (mongodb) and new call system
small permissions update
fixed user ids being stored as object instead of string
remove core.php
Some permission changes
Merge branch 'master' into mongodb
User subsystem converted to mongodb
give_permission now uses current userid as default
Removed now useless groups api
Removed UserContext.php
rm api/lib/QueryUtils
rm api/lib/DBService