Reusing staticPath in compress worker and making prefix configurable, removing DRY violation per llyod

when certifying secondary certs and the user has not confirmed their ownership of the given computer, certify with a short validity period

Adding disable_locale_check flag to skipping warnings for en-US without gettext files. Fixes Issue#1055

add Vary headers to help downstream caching proxies optimize caching of static resources - closes #938

always run our little node HTTP proxy locally to constantly test HTTP proxy support which we'll have in production - issue #904

Adding i18n to wsapi. Split strings into client.po and messages.po.

Switched email from mustache to EJS templates.

Created fake locale db-LB for development and debugging.

Updated scripts.
See http://viewvc.svn.mozilla.org/vc?view=revision&revision=99911

(loadgen) tons of fixes to handle request failures without mucking up the local user database - issue #838, issue #785, issue #787, issue #784

when loadgen emits errors, indicate what activity was being performed when the error was encountered.

implement a 'maximum request time' for bcrypt work.  server now fails more gracefully under backbreaking load, returning 503s to clients of the authenticate_user api.  update loadgen to be less dramatic about, but still display, 503 errors.  first part of issue #787 - a partial fix for #785 in dere too

implement graceful shutdown of bcrypt compute processes.  fix bcrypt.get_rounds (was throwing an exception)

fix regression in keysigner - ensure non-default VAR_PATH is relayed to compute processes - issue #213

remove the deep __heartbeat__ checks performed from browserid (the webhead), while dbwriter should ping the database to ensure health - closes #566