Added ability to supply a different element as the scroll parent for scroll locking functionality#33

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Commits on Oct 14, 2014

Added ability to supply a different element as the scroll parent for scroll locking functionality (e.g. html instead of body).
mikekoser
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Chnaged to pull right margin from scroll parent, to prevent the page content from being shifted when showing/hiding popup with scroll lock.
mikekoser
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Commits on Nov 17, 2014

focus on SVG element breaks, so added code to ensure that the element has a focus function defined prior to executing the .focus() call.
mikekoser
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Commits on Nov 24, 2014

Added position: fixed to scroll element to prevent the background content from scrolling on touch scroll enabled devices.
mikekoser
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