adding the explorer canvas library... it's not enabled yet but I'm importing it for now to move it off my disk
adding the explorer canvas library... it's not enabled yet but I'm importing it for now to move it off my disk

git-svn-id: ea91b13d298114f824e9e70bb489cd5c2b7faef5@705 579c892a-5248-0410-a714-2bcf037eb5bf

davidw/simile-timeplot,kcarnold/timeplot,kcarnold/timeplot