add support for internet_plugin artifact

closes #5909
Merge pull request #5923 from rolandwalker/internet_plugin_artifact

add support for internet_plugin artifact
Upgrade Texpad.app to 1.6.13
Merge pull request #5924 from crainiarc/texpad

Upgrate Texpad.app to 1.6.13
update android-studio-bundle to 0.8.6
Merge pull request #5917 from somya4c/android-studio-bundle-0.8.6

update android-studio-bundle to 0.8.6
Add HBuilder.
Add qrq v0.3.1
EPUB QuickLook plugin
Merge pull request #5927 from xyb/qrq

Add qrq v0.3.1
Merge pull request #5928 from zhangcheng/epub-quicklook

EPUB QuickLook plugin
Remove Mangao

Application was discontinued. No official package or homepage could be
found.
bump totalterminal to 1.5.3
Merge pull request #5933 from fly/totalterminal

bump totalterminal to 1.5.3
Merge pull request #5925 from mingzhi22/hbuilder

Add HBuilder.
Merge pull request #5930 from ndr-qef/remove-mangao

Remove Mangao
Update JuliaStudio.app v0.4.4

correct Cask name
support older OS X version < 10.7
correct rename of juliastudio.rb
Add SimpLESS.app v1.4

SimpLESS compiles LESS into beautiful CSS. http://wearekiss.com/simpless
Merge pull request #5934 from vinkla/simpless

Add SimpLESS.app v1.4