Added new skeleton files for new item targets.
Integrated new item target skeleton to UI.
Added new skeleton files for editing item targets.
Integrated edit item target skeleton to UI.
Added new item target UI elements.
Added edit item target UI elements.
Added drop down options to item targets.
Added items drop down data hooks for item targets.
Added item targets table.
Added skeleton server hooks for item targets.
Added server item target arguments.
Added item target delete button.
Implemented server item target delete.
Implemented server new item target.
Implemented server item target update.
Implemented server get item targets data/schema
Merge branch 'refs/heads/development' into ag.item_targets
Updated delete button label.
Added item targets to server data interface.
Added item ID to item select HTML.