Check out OCG/node_modules as a git submodule.

Change-Id: Iac7b0d800c4344b1845fcbf3bf65468bf29b2dbd
Properly support foreign file repos (particular commons).

The wiki configuration information now includes the filerepoinfo,
which includes commonswiki if InstantCommons is in use.

Change-Id: Ib6f4c7575c11d421b07ae624975c248b7c457fe8
Whitespace fixes.

Change-Id: Ib0fbd30a2483403b2bea33c9cd487cd7d52a7512
Sync to version of db.js in mw-latexer.

Change-Id: I3087559b432a6986f65080cd1e717c5b05f74581