Move vagrant settings to separate file

* Doesn't clobber local_settings which may exist from a standalone instance
Add translated files.
Update tx config.
Add compiled mo files for Sphinx.
Bump theme
don't throw KeyError when "scaled_project" is missing
In vagrant, run gunicorn with vagrant settings.

Closes #715.
Merge pull request #722 from toffer/issue-715-vagrant-settings-separate-file
Merge pull request #721 from qrees/scaled_project

don't throw KeyError when "scaled_project" is missing
Improve lock management by deleting old files
Make locking version-specific, not project-specific.
tryton is spamming us, skip them for now.
Fix path to exist when no checkouts
Fix dumb error
Make sure github is using https
Hack around bzr hosting
New build server updates.
Update translations
Update doc translations
Add static metadata output on project save

* Uses project translations to build supported language list
* Saves to metadata.json on project save/build, uploads to app servers