Fix for defered render deselect errors

Changed fnSelectNone to match fnSelectAll which fixes defered render errors when using TableTools selection.
Added render update for Fixed Columns plugin

Detects Fixed Columns plugin and calls render update when selecting/de-selecting rows.
Revert "Added render update for Fixed Columns plugin"

This reverts commit cd5084cb5d3dc9e07887d1711fe302007cdab56b.
Merge pull request #51 from daimian/master

Fix for defered render deselect errors