Tweak random color ramp for nicer colors
[DXF] add (un)select all buttons
[DXF] do not list layer without geometry
Merge pull request #1022 from 3nids/dxfunselectall

[DXF] add (un)select all buttons
Merge pull request #1023 from 3nids/dxfgeomlayer

[DXF] do not list layer without geometry
Add license header for dxfexportdialog
Dxf: possibility to export only the features overlapping the map extent
Dxf export: modify layer name to be a valid dxf layer name
WMS/OWS:
- add service type to window title (implements #9192)
- always fill dpi combobox (fixes #9194)
Merge pull request #1019 from nyalldawson/random_colors

Tweak random color ramp for nicer colors
a unit to network cache size label (fixes #9189)
fix warning
WMS: try to interpret response to map requests always as image (fixes #9197)