merge with Sharekit/Master
Merge commit '3139b163ae30f44dd5ea536e9336c7719f39d4b2' into develop
Merge branch 'master' into develop
Merge branch 'develop' of https://github.com/mikk22/ShareKit into develop
added SHKRequest NSData initialization;
Vkontakte sharer refactored: Now it's fully async with delegates.
fixed Vkontakte sharer access rights
reset changes to SHKRequest; added for these purposes SHKVkontakteRequest
add facebook connect to root vc of demo and listen for notifications
Merge pull request #633 from matej/instagram-fixes

Instagram fixes
Fix regression from d01be018f6, do not override existing status.
Merge pull request #636 from Javache/fix-twitter-urls

Fix regression in classic Twitter sharer, do not override existing status.
add stub for accounts view controller
convert demo project to arc
fix arc
code cleanup
update for ios 5
show accounts view controller
code cleanup
add done button to accounts vc
code cleanup