BUGFIX: Dropbox now shares also UIImage, which is properly converted to file
REFACTORING: file share example can now switch between passing data or path
BUGFIX: fixed autoshare on Twitter

- SHKSharer's share method is more readable now
- Shortening URL works also for autoshare as expected
Google Plus refactored to work with GTL subproject
NEW FEATURE: added YouTube and YouTube SDK targets.
BUGFIX: added missing GTMOAuth2ViewTouch.xib to the demo app
Improved comments on Dropbox settings in configurator
SUBMODULE UPDATE: google-api-objectivec
BUGFIX: fix for #713 - now user search header paths are set in YouTube and YouTube SDK targets
added "Resources - ShareKit Library" for easier adding of 3rd party sdk's resources (xibs, images, etc)
BUG FIX: fix for #710 - public uploads

Public sharing on YouTube sharer was not working because even though the
UI showed "public" as the default setting, it was not actually set
Merge pull request #717 from PUDRESCU/master

BUG FIX: Issue #710 Public share on YouTube sharer
SHKBuffer
Add Buffer to handleOpenURL
Buffer SHKConfigurator config added
Add example Buffer URL Scheme
Add SHKBuffer to Sharers
Add Buffer iOS SDK Framework Submodule
Update modules
Project file updates adding Buffer to ShareKit