Rename render/featuresoverlay files to featureoverlay
Rename ol.render.FeaturesOverlay to ol.FeatureOverlay
goog.require in alphabetical order
Variable renaming in examples
Use featureOverlay in select interaction
Change olx.render.FeaturesOverlayOptions to olx.FeatureOverlayOptions
Fix minor typo in vector-layer example
Fix capitalisation of ol.Map in docs
Merge pull request #1644 from twpayne/keyboard-interaction-docs

Fix capitalisation of ol.Map in docs
Example for obtaining a Google base map

By simply defining the ol3 map as control on a GMaps map, we can
have a Google base map with arbitrary ol3 content on top. This
works with all ol3 renderers.
Updating example to use the new vector API
Merge pull request #1421 from ahocevar/google-integration

Example for obtaining a Google base map
The examples don't provide information on classes used
Create styles only once
Merge pull request #1646 from tschaub/example-index

Remove unused classes info.
Merge pull request #1647 from openlayers/style-

Create styles only once
Add failing test for change event propagation
Fix vector examples
Merge pull request #1648 from elemoine/1648

Vector examples are broken
Assert that an element is removed in ol.structs.RBush#remove_