Lots of code got cleaner with seconds, seems we used them before all around.
Also changed examples that didn't need deltas to simple Date.now() plus some more examples cleaning, trying to get rid of obsolescence warnings.
Got tired of redoing deltas all the time. Not sure about API or implementation details, but so far seems to be useful.
In future, we could for example have clocks that are slower / faster than realtime, or fixed step based.
Found out that CrosseyedWebGLRenderer probably wouldn't work for target-less cameras.
Something weird going on with `webgl_scene_test.html` and `webgl_scene_test_blender.html`. For some reason cubes dissapear.
- moved 3d-only text parameters from TextPath into TextGeometry
- added safeguard for bevelSize and bevelThickness not affecting shape size if bevel is disabled
- updated text examples as now TextGeometry is not anymore centered
Note: shadow maps as currently implemented are very fussy, they need tons of tweaking to look halfway decent. Also current implementation doesn't do proper depth normalization. For some reason this gives better results than the "right way".