fix warnings in ios6
add simplified chinese localizations strings
add weibo icon
add sina weibo support
add wechat support
Merge pull request #54 from hjue/master

Add simplified chinese localizations strings
Fix podspec
Facebook version bump
Version bump (1.6.4)
Version bump (1.6.4)
Fix facebook version
Remove WeChat activity, fix podspec
Fix readme
Version bump
Version bump (1.6.5)
Update AFXAuthClient version
Added explicit declarations for tumblr api endpoints as xAuth uses 'www' instead of 'api'.
Merge pull request #57 from Stakenborg/master

Added explicit declarations for tumblr api endpoints as xAuth uses 'www'...
Version bump (1.6.6)
Added support for sending data of various type (REMailActivity).