Bump version to 15.0.0
Bump version to 15.0.0-dev
Append branch.sql to schema.sql
Prune branch.py
Turn off balanced callback due to security hole
Merge pull request #2631 from gittip/turn-off-balanced-callback

Turn off balanced callback due to security hole
Bump version to 15.0.1
Bump version to 15.0.1-dev
Restore balanced callback

Looks like IP filtering w/ public addresses is safe in this case.
https://botbot.me/freenode/gittip/2014-08-13/?msg=19663368&page=1
Merge pull request #2632 from gittip/restore-balanced-callback

Restore balanced callback
Bump version to 15.0.2
Bump version to 15.0.2-dev
Merge branch 'master' into i18n