Swapping awssum for knox due to bug#973259
Check only manifest for changes in cache invalidation. Fixes Bug#976291
Drop package_hash column from DB. Add TTL LRU cache. Fixes Bug#975573
Merge branch 'master' into bug-973259-switch-s3-paths

Conflicts:
	bin/controller
	lib/apk_project_builder.js
	lib/s3.js
Merge pull request #50 from mozilla/bug-973259-switch-s3-paths

Swapping awssum for knox due to bug#973259
Merge pull request #53 from mozilla/bug-976291-cache-on-manifest-only

Check only manifest for changes in cache invalidation. Fixes Bug#976291
Merge remote-tracking branch 'origin/master' into bug-973076-add-sentry

Conflicts:
	int-test/integration-test.js
Missed adding ttl-lru-cache
Keep node module build directories out of git
Keep node module build directories out of git
re-adding knox
Detect missing GraphicsMagick install errors in unit test
Mac users need to be sure they have libtiff
Merge branch 'master' into bug-973076-add-sentry
Fixing merge issues introduced between knox switch-over and sentry

Style fixes.
Fixed some timing issues found due to slow hotel Wi-Fi.