Squashed commit of the following:

commit 3aaae990654c227834a647124c582075b8366c21
Author: Leandros Linux <dev@arvid-g.de>
Date:   Tue Dec 17 00:13:30 2013 +0100

    added Google+ and GPlusHandler

commit e38cc1a1873daee491121ba1a857522a78561d44
Author: Leandros Linux <dev@arvid-g.de>
Date:   Mon Dec 16 23:58:25 2013 +0100

    fixed facebook icons

commit 15a22cdbe6f7066a84a8517cdb46b3ab6867b14d
Author: Leandros Linux <dev@arvid-g.de>
Date:   Mon Dec 16 23:53:13 2013 +0100

    added fallback feature

commit b5f2f97ce6c33f170bcc31e8d43f5fe2946c379d
Author: Leandros Linux <dev@arvid-g.de>
Date:   Mon Dec 16 23:20:29 2013 +0100

    added Facebook and Facebook Handler
Merge branch 'dev'

Conflicts:
	IntentKit/Handlers/INKHandler.m
	IntentKit/Handlers/INKTwitterHandler.m
	IntentKitDemo.xcodeproj/project.pbxproj
	IntentKitDemo/INKViewController.m
	MWOpenInKit/Handlers/MWTwitterHandler.h
	MWOpenInKit/MWApplicationList.m
	MWOpenInKit/MWOpenInKit.h