Output units for line pattern fill symbollayer
Output units for point pattern and line pattern symbol layers
Let subsymbols have their own units
Simplifying QgsOgcUtils

After commit 7d66529d7884b73070dbce80b1d4060d841a6933 Add GML3 to
QgsOgcUtils, I have to simplify this class to only have :
* geometryFromGML : read GML2 or GML3
* geometryToGML : create GML2 (as default) or GML3
Merge heatmap_fixes branch
Change float to double for calculations
[FEATURE] attribute editing extension
- allow resetting of fields to NULL by button
- use user defined date formats in forms, identify results and attribute table
- add support for date type in postgres provider
OGR typedefs do not seem to be necessary
restore "stretch using current extent" functionality in layer context
menu (fix #7070)
update Random and Regular points tools to API changes (fix #7350)
Identify GetFeatureInfo Url context menu fix
update Vector Grid to vector API changes (fix #7322)
Prevent overshoots with line offsets
save used contrast enhancement algorithm in private class member (follow up 5ecb26810a)
Set combo box maximum for precision <= type length
fix Export geometry info tool (fix #7354)
[FEATURE] brightness and contrast filter for rasters
[API] add read/writeXML methods to QgsRasterInterface
add icons for new raster tools (thanks, Robert!)
fix QgsRasterInterface sip bindings