Merge pull request #106 from gberaudo/more_cesium_externs

More cesium externs
Prevent context menu popping up on right click.

Like in the Cesium Widget.
Allows for smooth zooming.
Enable closure warning flag.
Additional tilt navigation hotkey 'ALT+left drag'.
Anchor to bottom origin when converting a Point to billboard.
Fix Cesium regex preparing dist examples
Merge pull request #107 from gberaudo/straightforward_improvements

Straightforward improvements
Make sed -i work on OSX
Use a version of ol3 that creates correct externs
Add examples index
Add apidocs template and genration task

This is almost a 1:1 copy of the ol3 api docs
Merge pull request #109 from openlayers/update-ol3

Use a version of ol3 that creates correct externs
Change URL from boundless organization to openlayers organization

It seems the URL to boundless/ol3-cesium are outdated.
Merge pull request #114 from ThomasG77/patch-1

Change URL from boundless organization to openlayers organization
Merge pull request #108 from openlayers/cross-platform-make

Make sed -i work on OSX
Make distribution from a fresh clone work
Merge pull request #113 from gberaudo/fix_dist_from_fresh_repo

Make distribution from a fresh clone work
Merge pull request #112 from ahocevar/apidoc

Add apidocs template and generation task
Merge pull request #111 from ahocevar/examples

Add examples index
Make the readme more useful

This also adds a minified ol.js file to the distribution, which is
referenced in the readme.