Thp packages should be able to install into arbitrary paths
As of today, Thp packages are installed into: THP_ROOT/
THP_NAME/
To create a TBB bundle, we need to be able to, for example in OSX, install Firefox into "THP_ROOT/TorBrowser.app/Contents/MacOS/Firefox.app/" instead of "
THP_ROOT/Firefox.app/".
Here's a possible fix for this (branch chiiph/devmtg): https://gitweb.torproject.org/user/chiiph/thandy.git/commitdiff/62c2dd6e24f6ac0523fe7e1c16e1475b1988d61f