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
[Update] NSObject-Tap (1.0.1)
[Update] ECSlidingViewController (1.3.3)
[Update] NJKWebViewProgress (0.1.8)
Update MarqueeLabel to 1.2.5
Merge pull request #5413 from ninjinkun/master

[Update] NJKWebViewProgress (0.1.8)
Merge pull request #5414 from cbpowell/master

[Update] MarqueeLabel to 1.2.5
Merge pull request #5411 from ikesyo/nsobject-tap-1.0.1

[Update] NSObject-Tap (1.0.1)
Add GWCollapsibleTable
Merge pull request #5415 from gregwym/master

Add GWCollapsibleTable
[Update] BButton (3.2.0)
Increment minor version.
Instabug SDK v1.2
Added my STTwitterTimeLine podspecifications
Added SMXObject 1.2.1
[Update] JDFlipNumberView (2.1.1)