Ignore proper langpacks directory in Fireplace

gdit @cvan
make operator shelves have white background
add operator shelf logo (bug 917560)
Part of the way fixed with Travis

gdit cvan
Make tracking query strings configurable (bug 918241)
Merge pull request #265 from muffinresearch/make-query-string-tracking-optional

Make tracking query strings configurable (bug 918241)
Revert "Make tracking query strings configurable (bug 918241)"

This reverts commit 611ce1569422e6c0e4a3a2ab52212f7d4deb04c2.
Recognize new cancel code (bug 846818)

See: https://github.com/mozilla/webpay/commit/8b2e19963bff7bbe54d0f6e9a43348d60d7d11b5