Version
Use a category on NSObject to support performing blocks asynchronously rather than previous macro
Remove previous async macros and include NSObject category that replaces it
Deal with iOS 6 deprecations
Add rounded-rect image creation based on color
Updated HUD from repo; added some of my own changes to update colors each time we need it to do so (based on theme)
iOS 6 complained about dispatch_retain(); removed.
Add selected/normal images.
New UI; use new async methods
New colors for HUD based on theme
Disable vertical scroll bar for now; TODO: should we enable for iOS 6 onlly? iOS 7 doesn't do them right.
Deal with iOS 6 deprecations; Content offset; Use new async methods
Deal with iOS 6 deprecations; Content offset
Deal with iOS 6 deprecations;  Use new async methods
Deal with iOS 6 deprecations