More IT GUI translation
labeling, vector style
Merge pull request #837 from Cracert/master

Polish translation update
Small UI fix for "New PostGIS connection" dialog
QPyNullVariant() equals to QPyNullVariant(), qgis.core.NULL

>>>> from qgis.core import NULL
>>>> lyr.getFeatures().next().attributes()[0] == NULL
True
Set min field precision even when hidden (Fix #8480)
[spatialite] Use QVariant::LongLong as int type consistently
Fix some postgres field precision and length inconsistencies
[postgres] some more precision/length fixes
Fix Blocker Issue #7871 : SVG Marker fill and outlin colors are restored
when changing widget or reopening style window
Fix Blocker issue 8487
Custom CRS are saved if cannot find an existing one with same parameters
(except datum which may be optionnal, as GDAL seems to have drop it)
Merge branch 'master' of https://github.com/qgis/Quantum-GIS
Merge branch 'bug8487'