fix(server): Add maxAge cache control for static assets

- add configuration option for max age of static assets
- update static middleware to use maxAge value

ref #656
fix(server): add cache-control header for /config
chore(config): disable cache locally
Merge pull request #873 from mozilla/issue656-static-asset-caching

Merge in fixes for cache control
refactor(client): Separate `/force_auth` specialized code from `/sign_in` code.

* Add a helper function to session.js -> isSync
* Add a helper function to base.js -> BaseView.cancelEventThen

first step in #762
chore(build): Fixing line breaks from markdown
tests(travis): disable route logging during travis tests
Merge pull request #943 from mozilla/disable_route_logging_option

tests(travis): disable route logging during travis tests
Merge pull request #940 from pdehaan/issue-937

chore(build): Fixing line breaks from markdown
refactor(l10n): look up friendly service names
fix(client): Replaced cookie checks with localStorage checks as a work around for 3rd party cookies in Firefox Nightly.
Merge pull request #945 from mozilla/temp-cookie-fix

fix(client): Replaced cookie checks with localStorage checks
fix(client): Replaced cookie checks with localStorage checks as a work around for 3rd party cookies in Firefox Nightly.
updated to 0.10.1 for localStorage detection hotpatch
Release v0.10.1
fix(emails): make emails responsive + work with outlook
tests(views): fix privacy heading ID
Release v0.10.2
Merge pull request #951 from mozilla/train-10

Train 10
manual fixup for changelog in 0.10.2