pt_PT translation by João Gaspar
update Galician language strings on request
Fix #7993, fields are listed twice in labeling data defined menu
Fix #7705, remove alpha transparency from default color for map overview frames
Update main options dialog with QgsOptionsDialogBase inheritance

- Moved current tab setting to /Windows/Options/tab, as used in QgsOptionsDialogBase
- Caveat: old setting /Windows/Options/row is not honored on first launch after update
Fix projection selection with new files
Fix tests after changing default map overview style
Fix #4419, improve random color ramp appearance and generate colors with better chance of uniqueness
Merge pull request #630 from SrNetoChan/master

pt_PT translations by João Gaspar
OGR layers with unknown geometry type containing single geometry type fix, fixes #7995
fixed rashes in atlas calling vector methods for rasters, fixes #7963
Always delete WFS network replies, fixes #7588
Merge pull request #632 from BioEcoForests/master

Always delete WFS network replies, fixes #7588
fix #7828
WebView attribute editor fixes:
- allow browsing in readonly mode
- add option to open page in default browser
- add tooltips to editor push buttons
optionally label attribute editor widgets on top
Fix for #7993 again, fields are listed twice in labeling data defined menu

- Reverts 0192e37
- Move code from init() to ctor for fix and to ensure connections are not duplicated
- New code also fixes previously unknown issue when loading .qml style
translation update: eu by asier
Don't append "Missing group" to non-standard expression groups, so that python plugins which provide expressions can create their own groups
Cleanup of 'qgis --help' output.