Adds category methods to NSNumber for easy formatting

Corrects selector naming issue in AnnexImageCache
Fixes selector name for image cache change

Removes unneeded selectors from UIView category
Changes selector signature to reflect handler style syntax
Corrects setting image in UIImageView category
Adds weak reference for setting image to UIImageView property
Adds Request operation class

Updates image cache to use request operation, and be async
Cherry picks NSURL
Removes conflict error and also selectors that were never implemented
Adds simple NSObject subclass for working with JSON/Dictionaries to properties
bflargsd
Adds simple NSObject subclass for working with JSON/Dictionaries to properties
Merge branch 'json-object' of github.com:wess/Annex
Corrects network method signatures
Adds camelcase and underscore to NSString category.

Updates for 64bit
Merge branch 'master' of github.com:NudgeApps/Annex