Version bump to 0.8.

Version bump to 0.7.

Removed screenshot entries from the podspec.

Major code rewrite / cleanup. closes jdg#56 jdg#60

- MBProgressHUD now requires LLVM 3+

- instance variables moved to the class implementation or removed (using synthesized instance vars)
- using KVO instead of custom accessors
- completely rewritten layout and UI buildup code
- more concise arc conditionals
- added MBProgressHUDModeText (+ example)
- various documentation fixes
- migrated to @autoreleasepool
- general source code cleanup and restructuring
- removed deprecated delegate callback
- version bump to 5.0

ARC support and related fixes.

- Different animation modes. Default set to zoom.

- Class convenience methods (tadelv - http://github.com/tadelv).
- Autorotation when added to a UIWindow (wuf810 - http://github.com/wuf810).
- Extended demo app.
- Several smaller fixes.

Version 0.33

 - Custom view operation mode added.
 - Fixed a memory leak.

0.32 release.

Added minShowTime, graceTime, xOffset, yOffset. Various fixes.