Improved cursor when training

Path to miniature robot image is now insensitive to current sub-folder.
Also cursor now works for all elements not just DIVs.
Changed some calls from render to rerender

Since visibility not assured.
Checks that render is called correctly

When TT.debugging since it should only be called when fresh or certainly
visible.
Vaccum JSON extended to include its mode.
Added and updated documentation pages
Updated compiled version.
Merge pull request #160 from ToonTalk/master

Updating gh-pages to master