Add workaround for loading forms with custom widgets from PyQt4

	More information: qt-project.org/forums/viewthread/27098/
ftools-fix  split vector layer
Merge pull request #556 from vinayan/splitVector

[Fix #7618] - split vector layer does not work in master
[pyqgis-console] fix object inspector on windows 7
- minor fixes
Merge remote-tracking branch 'origin/master' into oldLabeling4master