Merge pull request #647 from yurks/optimizing_styles

optimizing grid stylesheet manipulation
Added HTML5 Doctype
Merge pull request #653 from roblarsen/master

Added HTML5 Doctype
use native getElementsByClassName if available
Merge pull request #656 from roblarsen/getElementsByClassName

use native getElementsByClassName if available
Merge pull request #639 from yurks/patch-1

aggLabelFilter fix
consolidated 5 or 6 $ calls

Cached one reference and collapsed three separate calls to $().css into
one call with an object argument.
Merge pull request #657 from roblarsen/visualLength

consolidated 5 or 6 $ calls