Butter is under MIT license (and fix homepage link)

https://github.com/harukasan/butter/blob/master/LICENSE.md
BZFlag is under GNU LGPL

http://bzflag.org/downloads

> BZFlag is licensed under the LGPL 2.1 and is free to
> use/distribute/modify as long as the terms of the license are
> followed.
Update to install Parallels Desktop 10
Upgrade OpenEmu.app to v1.0.4
C3 is gratis

http://www.downloadc3.com/policies/acceptable-use.html
Caffeine is gratis
Cakebrew is under GNU GPL

https://github.com/brunophilipe/Cakebrew/blob/master/LICENSE
Calibre is under GNU GPL

https://github.com/kovidgoyal/calibre/blob/master/LICENSE
Merge pull request #6695 from vinkla/openemu

Upgrade OpenEmu.app to v1.0.4
Merge pull request #6693 from yegortimoschenko/specify-even-more-licenses

Specify most licenses for letter B
Merge pull request #6692 from gabrielizaias/qgis-2.4.0-1

Update QGIS to version 2.4.0-1
Merge pull request #6691 from yegortimoschenko/delete-bodega

Delete Bodega cask
Merge pull request #6690 from yegortimoschenko/delete-binreader

Delete binreader cask
Add Dbvisualizer.app v9.1.11
Merge pull request #6697 from vitorgalvao/fix-6668

Add Dbvisualizer.app v9.1.11
add wkhtmltopdf

Closes #6696.
Merge pull request #6698 from vitorgalvao/fix-6696

add wkhtmltopdf
Merge pull request #6680 from rolandwalker/doc_appcast

document `appcast` stanza
Merge pull request #6683 from rolandwalker/appcast_format

appcast :format for 4 Casks
comment out broken appcast in induction.rb