Changed button from Apply Results to Apply Changes

Signed-off-by: mossrocket <peter@mossrocket.com>
Merge pull request #665 from nla/nn-reorder-children

Changed ajax url to relative
Fix up some validation in bulk edit.
Add banner for parent id being modified.
Rename 'Parent ID' to 'Parent PI'.
Merge branch 'master' into bug/acm-dsc-710
Merge pull request #666 from nla/DSC-713

DSC- 713
Merge branch 'master' into bug/acm-dsc-710
Merge pull request #667 from nla/bug/acm-dsc-710

Bug/acm dsc 710