Fix a bug in refresh_all

In the case of refreshing lists the deferred was resolved prematurely.
Add ability to show a spinner in defer helper
Update moment.js to 2.8.2

The new version added support for quarters
Simplified activate workflow modal
Whitespace fixes
Merge remote-tracking branch 'origin/develop' into feature/simplified-activate-cyle-modal

Conflicts:
	src/ggrc_workflows/assets/javascripts/controllers/workflow_page.js
	src/ggrc_workflows/assets/mustache/workflows/confirm_start.mustache
Merge pull request #1689 from reciprocity/feature/simplified-activate-cyle-modal

Simplified activate workflow modal