Remove white as tree selected nodes

Selected background changed
Merge pull request #865 from ExactTarget/tree-selected-text-color

Remove white as tree selected nodes
Revert pull request #851 until better solution found
Release v3.3.0
repeater-staticheight-bug: fixes issue #871 by correcting conditional logic for staticheight option when set to false or 'false'
repeater-list-styles: fixes issue #877 by correcting the repeater data-attribute used to target styles for list view
Merge pull request #872 from ExactTarget/repeater-staticheight-bug

Repeater staticHeight bugfix
Merge pull request #878 from ExactTarget/repeater-list-styles

Repeater List Style Bug
repeater-headers-unselectable: fixes issue #870 by making headers unselectable
repeater-header-background: changing header backgrounds to match ".repeater-list-heading" div backgrounds
repeater-header-background: minor change to th left border
Remove 100 row option from repeater + cleanup
Merge pull request #885 from interactivellama/remove-repeater-rows-100

Remove 100 row option from repeater "number of items" + cleanup
Merge pull request #883 from ExactTarget/repeater-headers-unselectable

Repeater headers unselectable
Merge pull request #884 from ExactTarget/repeater-header-background

Repeater header background
Tree: Hide chervron for folder that doesn't have children #860

Selected background changed
Merge remote-tracking branch 'origin/tree-hide-chevron-children' into tree-hide-chevron-children