Fix for testing Max Anisotropy extension.

Checking for EXT, MOZ, WEBKIT extensions
make sure to show scrollbars on open, close of heirarchy items
small fix to autocomplete. no longer disappears on first display, typing really fast does not hide it
add more examples. Fix video material
Merge branch 'development' of https://github.com/adlnet/Sandbox into development
add detect click example. Catch all click events at root level
more work on bubble events
fix click examples, remove sky from pick.
Fix for testing Max Anisotropy extension.

Checking for EXT, MOZ, WEBKIT extensions
Merge branch 'development' of https://github.com/NikolaySuslov/Sandbox into development
Merge branch 'development' into vle