remove some remarks.
Documentation target added.
NSObject+PIXCategory added.
remove remarks.
Merge remote-tracking branch 'origin/master' into master1
Use New Category delete same method in PIXBlog.m
add PIXUser in PIXNETSDK
Fix Readme.md
fix readme.md
add NSError+PIXCategory.
Merge branch 'master' of github.com:pixnet/pixnet-ios-sdk
Fix Readme
delete test in appdelegate.m
logout method added in SDK class.
Merge branch 'master' of github.com:pixnet/pixnet-ios-sdk
update readme.md
update readme.md
remove files into Classes.
adjust file locations.
Fix typo in podspec