Issue #705 - Replace pseudo-private functions with file-scoped functions

First commit
Merge remote-tracking branch 'upstream/master'
semicolon not needed warning fixed
Merge pull request #715 from ognjenb/master

 Issue #705 Replace pseudo-private functions with file-scoped functions
Add @ognjenb to CONTRIBUTORS
Fix SpecRunner under IE 8.

Buttons cannot have child text nodes.
Fix isCrossOriginUrl in IE by working around a href problem.
Merge pull request #721 from AnalyticalGraphicsInc/fix_spec_runner_in_ie

Fix SpecRunner under IE 8.
Merge pull request #722 from AnalyticalGraphicsInc/fix_isCrossOriginUrl_in_ie

Fix isCrossOriginUrl in IE
Put both the window URL and the test URL through an anchor.

Fixes an inconsistency in IE between a.href and window.location about whether default ports are included or not.
Merge pull request #723 from AnalyticalGraphicsInc/fix_isCrossOriginUrl_in_ie

Fix isCrossOriginUrl in IE for real
Merge branch 'master' into waterhack

Conflicts:
	Source/Renderer/Context.js
Fix merge issue.
Hack in glow for path visualizer.