Changed WorkQueue to use a List<SharedPtr<WorkItem> > and ensure that it doesn't contain duplicates.
Changed AddWorkItem to take in a SharedPtr<WorkItem>.
Changed Render functions to use new WorkItem design.
Merge remote-tracking branch 'remotes/alexparlett/feature/work-item-refactor'
Bullet rigidbody's inertia tensor does not depend on position, so no need to recalculate it if rigidbody position only is forced to a new value.
Fix order of exposing AnimatedModel functions to Lua so that all overloads of SetMorphWeight() & GetMorphWeight() work. Closes #182.
Travis CI: API documentation update at 2014-02-11 01:34:00 UTC.
[ci skip]
Minor tweak to link lua/luajit tool without Urho3D dependency libs.

These changes should also reduce prerequisite for building 32-bit luaJIT VM (for Android and RASPI) on 64-bit host/build system.
Added drag and tooltip to sample#2 HelloGUI