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Merge pull request #25 from Robert-RBI/ie8Fix

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Code formatting
IE8 compatibility fix using jQuery.getScript instead of manual workaround.
Merge pull request #27 from scatcher/gh-pages

IE8 compatibility fix using jQuery.getScript()
Prevent chartWrapper from being called before defined in IE8.
Merge pull request #28 from scatcher/gh-pages

Prevent chartWrapper from being called before defined in IE8.