Refs #14319. Widget utilities (on invalidation and selection) that are leveraged by TreeMap but can be leverage by any widget. !strict.

git-svn-id: http://svn.dojotoolkit.org/src/demos/trunk@27145 560b804f-0ae3-0310-86f3-f6aa0a117693
Refs #14319. parseOnLoad was wrongly set to true in the tracTreeMap demo.

git-svn-id: http://svn.dojotoolkit.org/src/demos/trunk@27149 560b804f-0ae3-0310-86f3-f6aa0a117693
Refs #14319. XSite request from archive.dojotoolkit.org to trac.dojotoolkit.org does not work. Use local file for now.

git-svn-id: http://svn.dojotoolkit.org/src/demos/trunk@27154 560b804f-0ae3-0310-86f3-f6aa0a117693
refs #14319. get xdomain data working thanks to neonstalwart using yql.

git-svn-id: http://svn.dojotoolkit.org/src/demos/trunk@27192 560b804f-0ae3-0310-86f3-f6aa0a117693
refs #14360. various small clean ups to demo + add some images.

git-svn-id: http://svn.dojotoolkit.org/src/demos/trunk@27218 560b804f-0ae3-0310-86f3-f6aa0a117693
refs #14319. 1/ fix tracTreemap demo after trac updates 2/ some clean ups in demo

git-svn-id: http://svn.dojotoolkit.org/src/demos/trunk@27708 560b804f-0ae3-0310-86f3-f6aa0a117693
use dojo/when

git-svn-id: http://svn.dojotoolkit.org/src/demos/trunk@28304 560b804f-0ae3-0310-86f3-f6aa0a117693
add demo
remove un-needed files
use dui mixins
adapt code to dui
adapt to dui renaming
for Dojo 2.0 use BSD only.
use new _Invalidating reworked API
use of color