Added code to select the parent node when doing Move/Copy operations.  This will save lots of time for users.
This code can also be added to other places that use the TreeControl to pre-select the currently selected item(media pickers for example) so that changing content will be quicker.
Added code to actually pre-select the parent node instead of just locating it in the tree.  This seams keeps the Ui in a sane state.

Updated control code in Umbraco.Web.Ui from Umbraco.Web.
Merge branch '6.1.3-clean' into select-parent-on-movecopy
Fix for select parent o move or copy in 6.1.3.
Added code to pre-select the current node in content tree pickers based on the location of the document in the tree.

This is a HUGE time saver with an even moderately complex site hierarchy.
Merge branch 'select-parent-on-movecopy' of https://github.com/pynej/Umbraco-CMS into pynej-select-parent-on-movecopy

Completes: U4-3920 Move/Copy/Content-Picker time saver - pre-selects current node
adds some null checks, removes old unused webforms files for tree control