chore(docker): cache npm dependencies separately
fix(settings): Refactor Settings UI
feat(ruleset): Refactor ingest module and add ruleset UI
feat(rules): Add UI for adding/editing rules within ruleset

SD-1196
feat(rules): improving UI for settings
feat(rules): Add dropdown for rulesets in provider settings

SD-1198
Merge pull request #622 from actionless/docker-improvements

chore(docker): cache npm dependencies separately
Merge remote-tracking branch 'upstream/devel' into devel

Conflicts:
	app/scripts/superdesk-ingest/views/settings/settings.html