Included donations in Social Module
Fixed bug with empty contributors
Removed donation models and moved them into

the Service model.

* Moved Flattr column to social module
Removed `type` from Contributor/ShowService models
Added Accounts

Xbox, PSN, Steam, Skype, Jabber
Fixed Typo
Revert 3457a73..203023f

This rolls back to commit 3457a73d1a520c5a00273fd901c1dad45390d796.
Added new services
Removed and added icons
Use Donation flattr as flattr account
update readme
fix contributors notice
move feed metabox code into validation module
add default modules: oembed, feed_validation
fix variable fuckup
merge
adjust social wrapper template API for donations
fix template indentations
update readme