Fix deprecated warnings that appear when calling this.getAbsoluteBounds().
“body.scrollTop is deprecated in strict mode. Please use 'documentElement.scrollTop’…”
Enyo-DCO-1.1-Signed-off-by: Blake Stephens <blake.stephens@lge.com>
Merge pull request #611 from enyojs/fix-deprecatedWarnings

Fix "deprecated" warnings that appear when calling this.getAbsoluteBounds().

Reviewed-By: Ben Combee (ben.combee@lge.com)