Merge branch 'master' of git://github.com/qgis/Quantum-GIS
Merge branch 'master' of git://github.com/qgis/Quantum-GIS
Merge branch 'master' of git://github.com/qgis/Quantum-GIS
Merge branch 'master' of git://github.com/qgis/Quantum-GIS
string update; translation update: pl by Robert
synch with origin
trans update from upstream
Merge branch 'master' of git://github.com/qgis/Quantum-GIS into test
Merge branch 'test'
Merge remote branch 'upstream/master'
translation update: pl by Robert
synch
translation PL test
translation fix
purge old doc/plugins directory
purge olde PluginInstallerDialog context help

there will be a new QgsPluginManager help file
delete unused resource files

if I understand jef correctly, these files are all not used anymore (plz correct
me if I'm wrong).
The build and scripts incorporate the en_US resource files in the corresponding
i18n/qgis_**.ts files (by creating cpp from it).
- added test for issue #7550
- solved issue #7550
- implemented getPrimaryKey member function of QgsSpatiaLiteProvider
- in addFeatures, if an attribute is a primary key, its value is set to
  NULL so that sqlite generates a value automagically
Merge remote-tracking branch 'upstream/master'