Image source refactoring
Update quickstart.hbs

Fix the error due to outdated ol.source.MapQuestOpenAerial() because of this feedback https://groups.google.com/forum/#!topic/ol3-dev/6xi2n7nMg8k on the ML
Update quickstart.hbs

Fix on the fix ;) because a removed new via the Github UI
Merge pull request #1500 from ThomasG77/patch-1

Update quickstart.hbs
Only create a frame state if the map has non-zero size
Merge pull request #1498 from tschaub/null-frame-state

Only create a frame state if the map has non-zero size.
Add a d3 example
Pass pixelRatio to canvasFunction
Pass state option to image source constructors
Add ol.source.ImageVector
Add image vector layer example
Add goog.provide('ol.geom.GeometryType')
Manage multi geometries modes
Add draw interaction tests
Merge pull request #1501 from oterral/vector-api

Add draw interaction tests
Merge pull request #1497 from elemoine/vector-api-d3

[vector-api] d3 integration and vector image
Merge remote-tracking branch 'openlayers/master' into vector-api
Add ol.layer.Layer#forEachFeatureAtCoordinate
Add ol.source.Source#forEachFeatureAtCoordinate
Add ol.source.ImageVector#forEachFeatureAtCoordinate