Updated appledoc ver to 1.5
podspec version to 1.5.0
Promoted 1.4.5 to 1.5.0
Merge branch 'release-1.5.0'
Added DTDebug and Blocks Additions back to static lib and framework
Added the following back to the static lib and framework:

- DTDebug
- DTScripting
- Blocks Additions
- Runtime