Switch from react-components TimeoutTransitionGroup to official react-addons ReactCSSTransitionGroup

Conflicts:
	frontend/src/card/card.controllers.js
	src/metabase/api/dataset.clj

Enable datepickers on mongo

couple fixes for saving semantics

Faster launch time by compiling w/ elide-meta 

Bump a few more dependencies 

Upgrade to Clojure 1.8 

fix up a few cases where visualization settings on a card were changing or the query was being updated by the visualization component and we weren't accurately tracking these changes as a modification to the card in our new saving semantics logic.

Don't party too hard 

switch CSV download over to using an http POST request so we can support long queries

hide the "grouped by" useful questions from the data reference if the field is not a valid dimension.

More BigQuery branch improvements 

Various improvements from BigQuery branch 

Conflicts:
	frontend/src/card/card.controllers.js
	frontend/src/components/SaveQuestionModal.jsx
	frontend/src/dashboard/components/DashCard.jsx
	frontend/src/dashboard/components/Dashboard.jsx
	frontend/src/dashboard/components/DashboardGrid.jsx
	resources/migrations/liquibase.json
	test/metabase/api/dashboard_test.clj

Improved Tooltip that doesn't add extra DOM node, and fix some React 0.14 incompatible double mustaches

Saving semantics v3

hide the "grouped by" useful questions from the data reference if the field is not a valid dimension.