Stray debugger
Method for removing cached transforms
Tests for getting transforms

These are regression tests for #231.
Split TouchRotateAndZoom interaction.

Split TouchRotateAndZoom interaction into two new interaction:
TouchRotate and TouchZoom.
Reset position on touch end
Add missing 'protected' comment for targetTouches prop.
Add optional kinetic parameter.
Fix 'grids' type declaration.

grids property is optional.
see: https://github.com/mapbox/tilejson-spec/blob/master/2.0.0/README.md
Export ol.animation.zoom
Export ol.easing.*
Do not use goog.now() in the examples (see #229)
Merge pull request #236 from fredj/exports

Add some missing exports and fix side-by-side example
Merge pull request #232 from tschaub/projection-tests

Projection tests
Merge pull request #235 from fredj/tilejson-externs

Fix 'grids' type declaration.
Remove extent property from ol.tilegrid.TileGridOptions

This follows tilegrid extent_ property removal from #216.
Rename ol.ViewHint.PANNING to ol.ViewHint.INTERACTING
Merge pull request #237 from bbinet/tilegrid_extent_cleanup

Remove extent property from ol.tilegrid.TileGridOptions
Remove css size dependent rule (hover color)
Refactor projection architecture
Cope with axis orientation for tiled WMS sources