type property added to Request model.
type property added to Request model.

Its purpose is to distinguish between requests which are sent by org admins and requests which are sent by users.

--HG--
extra : rebase_source : 8b58096d35899127555fc4ddc153b36fe6f70f4f

SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange