aesthetic changes to undercover

Including putting both `:launchctl` arguments in one array, as per [comment in 5145](https://github.com/caskroom/homebrew-cask/pull/5145#issuecomment-47588440).
Add Alinof Timer.app v1.2

a small timer utility for osx
Merge pull request #5148 from mrpollo/alinof-timer

Add Alinof Timer.app latest
added `:format => :unknown` to epub-to-pdf

As per [comment in 5057](https://github.com/caskroom/homebrew-cask/issues/5057#issuecomment-47093426).
Reintroduce Xamarin Studio at v5.0.1
Reintroduce Xamarin.Android at v4.12.5
Reintroduce Xamarin.iOS at v7.2.4
reseting comment on non-sparkle appcast in epub-to-pdf, until new version ships
Merge pull request #5135 from jamesottaway/xamarin

Restore Xamarin Studio, as well as the Android and iOS platforms
Add a fix to diffmerge to allow diffmerge to be invoked from the
command line. Fixes #5133
Added new cask for Pangu

- iOS 7.1.x jailbreaking tool
Merge pull request #5150 from vitorgalvao/fix-5149

Added new cask for Pangu
Merge pull request #5146 from drew-gross/update-diffmerge

Update diffmerge
update Shiori to 1.0.2
Merge pull request #5152 from kols/shiori

update Shiori to 1.0.2
Updates jubler to v5.0.1
Added AX88179_178A USB 3.0 to Gigabit Ethernet Driver
Merge pull request #5147 from jeroenj/patch-2

Updates jubler to v5.0.1
Merge pull request #5154 from fharbe/ax88179

Added AX88179_178A USB 3.0 to Gigabit Ethernet Driver
Add PAYE Tools v14