Merge pull request #2 from CocoaPods/master

Update from CocoaPods:master
Add new podspec for the latest version of THContactPicker
iOS7 blur effects

Sample code from Apple WWDC 2013
Add documentation to prepare_command with valuable input from @tonyarnold.
add newline
[Add] SBTableLayout (0.0.1)
Add SpriteKit-Helper podspec.
Updated to version 2.21.0 of Localytics and require iOS 5.1.1 and above as per Localytics to handle new Apple x64 requirements
Added SystemConfiguration framework as per Localytics
[Update] CTAssetsPickerController (1.1.0)
[Update] ReactiveCocoa (2.1.7)
Added SMXObject 1.2
[Update] EasyMapping (0.4.9)
[Update] NSDate-Escort (1.2.2)
Fake commit for pull request
GTFoundation 0.0.8
Merge branch 'master' of https://github.com/gtranchedone/Specs
Added iRate 1.8.1
Merge branch 'master' of https://github.com/CocoaPods/Specs
Adding new AG-Push SDK release