Tiled Galleries: update jQuery mouseover caption effect
Props @magi182

More details in original trac ticket:
http://plugins.trac.wordpress.org/ticket/1966
merge Tiled Galleries: update jQuery mouseover caption effect pull request 43 Props @magi182
Merge branch 'jeherve-1966-trac'
Tiled Galleries: update jQuery mouseover caption effect props @magi182
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