document oddity of SketchTool binary install

references #4240
pandoc: add caveats about pandoc formula in homebrew
Add Keldon's Race for the Galaxy cask.
Add Gulp version 0.1.0

Easily run gulp tasks from the current directory in Finder and get notified when it's finished.
Merge pull request #4461 from vinkla/gulp

Add Gulp version 0.1.0
flash-player-debugger 13.0.0.214
revert 4ee9df6, restoring Intel Chainsaw.app

and update checksum
Merge pull request #4460 from yesimon/rftg

Add Keldon's Race for the Galaxy cask.
Corrected QQ's checksum
Merge pull request #4468 from vitorgalvao/pan-long-patch-1

Corrected QQ's checksum
Add A Better Finder Attributes
Add The Big Mean Folder Machine
Merge pull request #4456 from mAAdhaTTah/the-big-mean-folder-machine

Add The Big Mean Folder Machine
Add Scout
Merge pull request #4455 from mAAdhaTTah/a-better-finder-attributes

Add A Better Finder Attributes
Merge pull request #4465 from andyli/flash-player-debugger

flash-player-debugger 13.0.0.214
Merge pull request #4467 from rolandwalker/revert_chainsaw_latest

revert 4ee9df6, restoring Intel Chainsaw.app
Opera Next 22.0.1471.34
Merge pull request #4469 from ahbeng/opera-next-22.0.1471.34

Opera Next 22.0.1471.34
added imitone (0.5.1a)