README: update initial instruction.

Homebrew handles the prefixes automatically.
Add openemu
Merge pull request #2198 from vomitcuddle/openemu

Add openemu
Add OmniOutliner Standard

* Rename Pro to omnioutliner-pro and update URL slightly
* Update homepage
Merge pull request #2202 from Cottser/omnioutliner

Add OmniOutliner Standard
Add new cask for AirParrot
Removed fixed version number.
Merge pull request #2203 from oame/airparrot-cask

Add new cask for AirParrot
Cura 13.12
Update LaunchBar to 5.6.2
Merge pull request #2208 from mfilej/launchbar-5.6.2

Update LaunchBar to 5.6.2
Brain Workshop 4.8.4
IceFloor 2.0
Merge pull request #2210 from ahbeng/icefloor

IceFloor 2.0
Merge pull request #2209 from ahbeng/brain-workshop

Brain Workshop 4.8.4
Update from Java6 to Java7

Fixes #2189
iExplorer 3.2.3.2
Armoury 0.90-beta
Insync 1.0.26.31705
Prepos 4.0.1