Update ispconfig.css to fix #select_server a that is affected by #sidebar a padding of 10px. Already pr'ed and merged in master via ispconfig/ispconfig3!766. Perhaps can be merged with stable too?

Datalogstatus notification implementation (as discussed: https://www.howtoforge.com/community/threads/datalogstatus.73719/)

- Responsive fixes

- Included new icons and buttons
- Layout scaling improved (up to 1260px width)

- New dashboard layout