CocoaPods 0.36

Initial Draft for the blog post about the upcoming release.

#### TODOs
* [ ] Review, stylistic improvements, fix typos, …
* [ ] Add the assets
* [ ] Update **pygments.rb** to a version, which brings a lexer for Swift
Good point! :+1: We should definitively mention that.
Afaik only `@IBDesignable` requires frameworks, but perhaps this even changed between Xcode 6 betas, GM or in the minor versions.