Merge branch 'master' into feature/tilemap

Conflicts:
	test/unit/index.html
Add tests for getYAxis() method in y_axis
changes to styles for better legibility with mapquest tiles
fixing a regression issue with #1824. Also removing duplicate code
removed heatmap and cluster mapTypes and dependencies, changed mapType name to Shaded Circle Markers, fixed quantiZeColorScale to handle max === min
Merge branch 'master' into feature/tilemap
Merge branch 'feature/tilemap' of github.com:jthomassie/kibana into feature/tilemap
Merge remote-tracking branch 'joe/fix/tooltips' into feature/tilemap
Fit points to map, remove satellite view, make borders thinner
[vislib/vis] [vislib/handler] propogate resize and destroy down to the handler if possible
[vislib/tilemap] implement custom resize and destroy handling
Merge branch 'pr' into feature/tilemap

Conflicts:
	src/kibana/components/vislib/visualizations/tile_map.js
Merge pull request #2 from spenceralger/feature/tilemap

Enhancements!
[vislib/tileMap] remove absolute styling
added hover title to fitBounds btn, removed satellite map settings, throw error for container too small
Re-enable per-page attribute, disable page size selector if present
[aggResponse/flat] ignore rows that don't have a metric
Merge branch 'master' into feature/tile_map
Merge branch 'master' into pr
[converter/tilemap] include the value label in each feature, and ignore rows that don't have a bucket