Add implementation of Plurk service.
Fix compiling error for Plurk service.
Add Plurk demo app API key.
Better error handling and ask user to relogin when required.
Rewrite image uploading response handling using JSON.
Add Hatena Bookmark Sharer.
Fixed.
Update evernote-ios-sdk.
Rename sharer title.
added server service authorization via Vkontakte code
added Vkontakte get user info
service server side authorization fix in Vkontakte sharer
Merge pull request #533 from troppoli/Facebook3.0

Facebook3.0
BUGFIX: Facebook fixes by @theyonibomber

https://github.com/troppoli/ShareKit-1/pull/1
https://github.com/troppoli/ShareKit-1/pull/2
REFACTORING: simplified presenting views in SHK class + simplified ios5Twitter

- presenting views throughout share kit
- ios5Twitter
REFACTORING: created abstract class SHKiOSSharer for builtin services + SHKiOSTwitter renamed and using abstract class
REFACTORING: added Facebook iOS sharer + twitter.framework came back for iOS5
merge with Sharekit/Master
NEW FEATURE: added Sina Weibo sharer + refactored shkiossharer class
REFACTORING: project targets cleanup. ShareKit lib does not compile files itself - it is composed of granular targets only.
BUGFIX: SinaWeibo tags, thanks to @ashchan, see #545