pt_PT GUI Translations
[TRANSUP] pl: help
Add svgSymbolsPath to Python unit test utilities (for defining paths without app instance)
Fix #9057, offset value misplaced when exporting composer to image

- Add unit test and control images
Add label svg background unit tests and control images
Update labeling unit tests control image and PAL_SUITE test suite generation
fix PyQgsBlendModes test (followup da1ebc269)
Fix #9393, impossible to select 'regular' font style for labels

- While ostensibly fixes the issue, there is still a flaw with QFontDatabase.styleString() returning generic style names
release script: tag release and include prefix in tar ball
Bump version to 2.3
include Alvaro Huarte in AUTHORS (and . => dot)
fix Alvaro's email address (followup 14699030)
avoid 'overwriting' readonly files (fixes #9617)
restore master spash screen
support wmts layers to browser (implements #9492)
Merge pull request #1212 from Cracert/master

[TRANSUP] pl: help
Merge pull request #1211 from SrNetoChan/master

pt_PT GUI Translations
browser dock search: add normal syntax (with wildcards at begin and end) and case insensitive search, both default (implements #9493)
Define QGIS_MACAPP_BUNDLE in qgsconfig.h so resources can be found when QGIS_MACAPP_BUNDLE=0
[fTools] Spatial join aggregates: handle NULL values