Dodgy code to use QGIS to preview layers
More dodgy code that actualy doesnt crash
an now a @mbernasocchi commit that actually draws some stuff ;)
Use a global QGIS_APP defined in settings. No more segfaults on page reload. We need to see what happens when concurrent requests are made now.
Show QGIS generated previews in layers list
Better file management
Resolved merge conflicts
Resolved merge conflicts
Code cleanups