Added method Module_Properties::active()
Added cs\DB\Accessor class.
Added prototype of OAuth2 module.
Small other fixes.

System version 0.200
modules:
Cron 0.004
Blogs 0.025
HybridAuth 2.1.1-cs7
OAuth2 0.001
Static_pages version 0.021
plugins:
TinyMCE 3.5.8-cs4