[dw-free] closing staging branch

[kareila]

[commit: http://hg.dwscoalition.org/dw-free/rev/80bf5c8a0bfc]

http://bugs.dwscoalition.org/show_bug.cgi?id=2791

Close staging and production branches. Revert to default branch for continuing development.

Patch by kareila.

For more information, see changesets 80bf5c8a0bfc, d1661b599dfe, 2fa8c5fd7953, 6df0af157fd8, and cecd4d7dc06f.