Refactored activity for accounts, fixed location

Also fixed connections in the url and removed the id from the method in
OPENiGenericResource
Merge remote-tracking branch 'origin/master'

Conflicts:
	OPENiapp/OPENiapp/APIS/OpeniGenericResource.py
	OPENiapp/OPENiapp/Providers/Facebook/_fbactivity.py
	OPENiapp/OPENiapp/Providers/Twitter/_twactivity.py