Add Kodi RC3

XBMC has rebranded to Kodi.  This is the RC3 version
Removed truecrypt71a.rb

Since truecrypt was removed from the main repo to caskroom/unofficial in
a "downloader beware" capacity, it makes no sense to have it in
caskroom/versions
removed command-line-tools (lion and mountain-lion)
Update camtwist beta checksum and symlink app