Revert to jQuery 1.8.3

1.9 removes the toggle() function which is actually useful (and used by us).

Created by  Eelco Dolstra  on February 19, 2013
CM2QYOQ7Q6DY2ZWLEWK3QEED6WUETBEWDB3X4BDRKT5K27KOCHEQC
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