LOCALIZATION: removed obsolete Tumblr strings
Merge branch 'master' of git://github.com/ShareKit/ShareKit
add file sharing vie Vkontekte service
Dropbox feature and submodule dropbox-sdk-ios were added to ShareKit
Added Arabic localization
Localized all sharers' titles using SHKLocalizedString() and added the relevant titles to the english localization file.
Added Arabic localization for the sharers' titles
Merge pull request #679 from MotaSay/master

Arabic localization for ShareKit
TEMPLATES: service names should be localized
Moved header search path to user headers
BUGFIX: #681. newly initialised sharer is not pre filled with empty item now. This caused problems for sharers which need to make authorisation trip to other app.
Improved french localisation #673
BUGFIX: SHKTwitter validateItem caused SHKShareTypeUserInfo did not work.
BUGFIX: #662 - better Facebook error handling
Merge pull request #674 from ankstoo/master

Add file sharing for Vkontakte service
BUGFIX: VKontakte share now calls sendDidStart (and shows activity indicator)
Merge branch 'master' of github.com:VNikitin/ShareKit into Dropbox

Conflicts:
	Classes/ShareKit/ShareKit.bundle/en.lproj/Localizable.strings
BUGFIX: localised name for Dropbox
SUBMODULE UPDATE: Dropbox SDK
BUGFIX: Plurk did not compile if SHKDebug was on