Icons in the system map

Icons displaying the fleet size and debris field size are now displayed in the system map.

It shows own fleet (white), guild (green) and others (yellow).

If you put the mouse over it display the sizes in a tooltip.

The bigger the fleet more icons it gets:
1 - bellow 100
2 - from 100 to 1K
3 - from 1k to 10K
4 - from 10K to 100K
…