Fix sort bugs#125

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theodorejb wants to merge 2 commits intoalfajango:masterfrom

theodorejb:fix-sort-bugs

Commits on May 23, 2014

Fix error if sortable column contains null values

Theodore Brown
authored and
Theodore Brown
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settings.dataset.records shouldn't be a reference to settings.dataset.originalRecords (otherwise originalRecords gets modified)

Theodore Brown
authored and
Theodore Brown
committed