1.4.0.108 Rework Jobviewer

So i am going to overhaul the job viewer Page. The reasons for that is that the technologies i chose initially for the Grids turns out to be extremely hard to use and unflexible.
Thus, we change from fancytree (grid) to dhtmlx 8 Grid which makes the code much cleaner and as a consequence it gives much more flexibility.

Finally we can re-order Grid columns and also hide them.

It seems to work already nothing speaks against using this prerelease but as i did not yet rework the Active Jobs grid, History and Active Job grid look and feel a little bit different.