Round point so that circles work again :)
Performance: this triggers a reflow, but newest Chrome doesn’t flicker anymore.
invoke _clearBgBuffer function to reset layer div container when zoom out of max or minZoom.
Fixed 'bounceAtZoomLimits' when you don't start pinching from max\min level
added _abortLoading() to _reset()
always clear tile onload and onerror funs in _abortLoading()
Merge pull request #2802 from bennlich/set-url-fix

Fixed bug with TileLayer.setUrl()
fix memory leak generated by setIcon

when setIcon is called this.dragging is replaced without be disabled before, so hooks remains active.
Merge pull request #2811 from jfgodoy/patch-1

fix memory leak generated by setIcon
Merge pull request #2789 from danydev/fixBounceAtZoomLimits

Fixed 'bounceAtZoomLimits' when you don't start pinching from max\min level
Merge pull request #2764 from francis-liberty/zoom_out_max_min_error_1905

Address issue #1905, Error when zoom out of max/minZoom
Merge pull request #2605 from danzel/vmlfix

Round point so that circles work again :)
Merge pull request #2745 from fab1an/perf-remove-chrome-reflow

Performance: this triggers a reflow, but newest Chrome doesn’t flicker a...
Added TileLayerSpec.js tests for loading events
Merge remote-tracking branch 'upstream/master' into tilelayer-loading-tests
Included leaflet.css in html instead of TileLayerSpec.js
Merge pull request #2827 from bennlich/tilelayer-loading-tests

Tilelayer 'loading' event tests