Add flight-gear formula

Signed-off-by: Fernando Paredes <nano@fdp.io>

Fixes #2002
Merge pull request #2171 from selesse/genymotion

Update Genymotion to 2.0.3
Update TorBrowser to 3.5
Correct Adobe Air checksum

Fixes #2172
Change link to 3.5
Merge pull request #2173 from sceox/master

Update TorBrowser to 3.5
LibreOffice v4.1.4
Merge pull request #2174 from jamesottaway/patch-1

LibreOffice v4.1.4
airvideo 5.0.2
Merge pull request #2175 from exherb/airvideo-5.0.2

airvideo 5.0.2
qq 3.0.2
Merge pull request #2177 from exherb/qq-3.0.2

QQ 3.0.2
NetLogo 5.0.5

First version of netlogo cask
Merge pull request #2178 from SergeStinckwich/netlogo

NetLogo 5.0.5
Added Menubar Coundown
Merge pull request #2179 from SebastianZaha/menubar-countdown

Added Menubar Coundown
Fix sha1
Merge pull request #2180 from sceox/master

Fix sha1
Updated TextWrangler to version 4.5.5
Merge pull request #2184 from TheZoc/patch-1

TextWrangler 4.5.5