Fix AttributeError on Http404.
Pass through package size for packaged apps (bug 878876)
Use addon data to check if default_locale was set in from_upload (bug 891376)

Also fix existing test: it was relying on 'gb', but it's not a
valid locale.
Fix weird unicode-related bug in tests
Revert "Fix weird unicode-related bug in tests" (this breaks jenkins tests)

This reverts commit ee76b1bef440bff6f2994caa5c40d67882c222df.
Fix repeated messages in file viewer validation results
Fix typo.
Merge pull request #912 from davidbgk/878876-package-size

Pass through package size for packaged apps (bug 878876)
possible caching problem with themelocks, tests (bug 856141)
Fix intermittent test failure test_versions_multiple (bug 896575)
Adds migration for rocketfuel waffle switch (bug 894431)
bump app-validator
use current_version or latest_version for features list in devhub (bug 896692)
unsquish the sidebar on reviewed theme review detail pages
style app review page summary and sidebar
fix validator test
adding locale directory to git
update fabfile for new locale dir
Remove git checkout from update_locales

We already git reset --hard in pre_update
remove mention of SVN from docs