Fix crash in 15_Navigation.lua when adding and removing objects without having a path defined yet. Cleanup Navigation sample code.
Added Lua bindings for querying drawables from Octree via a bounding shape, similar to AngelScript. Change Octree & PhysicsWorld raycast/query Lua bindings so that a PODVector object with the results is returned, instead of the user having to provide one.
Travis CI: API documentation update at 2014-01-26 14:45:26 UTC.
[ci skip]
Web-sync at 2014-01-26 23:04:12 +0800.