Add bufferShouldShortenURLS option
Add link shortening methods before presentation of the Buffer Sheet
Add requiresShortenedURL, also add ability to turn off Buffer Sheet shortening via config.
Update SDK to 1.1.3

Adds support for disabling link shortening.
Also resolves some issues with link shortening accessing the UI from another thread.
Merge pull request #743 from denivip/fix-compilation-warning

Fix compilation warning
Update Buffer SDK to 1.1.4

- Updated handleOpenURL to return BOOL.
- Resolved issue with resources bundle path when not set, won't effect ShareKit as this is set within SHKBuffer.
Call shortenURL rather than bufferShortenURL (now removed)
Add comment for bufferShouldShortenURLS
Fetch config for requiresShortenedURL
Change performSelector to just [self shortenURL]
Define shortenURL method in SHKSharer.h
Update submodule to latest version
Merge pull request #742 from ay8s/master

Added ShareKit link shortening.
Unneeded files removed. "SHKShareItemDelegate.h" added to project.
Unneeded files removed.
Revert "Unneeded files removed."

This reverts commit dab69e3f2f18a296fdccfbb9a8f6ac0d333bd0a2.
Update Twitter sharer to use 1.1 API
Merge pull request #752 from ay8s/task/twitter-api-1-1

Update Twitter sharer to use 1.1 API
Merge pull request #750 from Vyazovoy/develop

Unneeded files removed. "SHKShareItemDelegate.h" added to project.
Merge remote-tracking branch 'ShareKit/master' into denivip