Rename MapBrowserEventHandler internal handlers name
Remove touch events handling in handleMouse* handlers
Add listeners for touchstart, touchmove and touchend events
Listen to IE pointer events
Move dblclick handling into touch handlers
Remove unused goog.require
Add ol.interaction.TouchPan
Add ol.interaction.TouchRotateAndZoom
Listen to both mouse and touch events
Remove unused variable, coding style
Stop ongoing kinetic animation
Take the resolution constraint into account.

But only at the end of the pinch zoom action.
Merge pull request #168 from fredj/touch-events

Touch events support