[dbmanager] avoid double extension when exports to file a table
[ftools][fix #8390] fix typo
change window title
Russian translation update.
Fix untranslatable string in QgsRasterDataProvider
Russian translation update.
Add plural form in QgsMessageBar
Correct window title in the export error messagebox.
Add relation manager ui

Conflicts:
	src/app/qgsprojectproperties.cpp
	src/ui/qgsprojectpropertiesbase.ui
Add relation edit type
Remove unneeded method
Singleton
Add editor widgets wrapper
Whatever
New attribute editor API
Further widgetfactory stuff
Add new editorwidget api v2
Move to editorwidgetsv2
Make sip bindings work
Further improvments