Merge pull request #1318 from AgDude/3.0-pinned-containers

Example of using a decorator to set default options
tweak docs on Factories
(perf) change hg-repeat on cols to track by colDef.name.  This allows elimination of a watch on cellTemplate which improves performance
(perf) removing logging from cellnav
(perf) remove unused atrributes on viewPort (row) and row (cell) templates
(perf) remove div nodes that aren't really needed.  Small increase in perf and simplifies our dom
Merge remote-tracking branch 'upstream/3.0-pinned-containers' into 3.0-pinned-containers