Merge branch 'cool_main_window-staniek3' into cool_main_window-staniek5

1. Conflicts:
2. src/core/CMakeLists.txt
3. src/formeditor/CMakeLists.txt
4. src/formeditor/WidgetTreeWidget.cpp
5. src/formeditor/formIO.cpp
6. src/kexiutils/KexiTestHandler.cpp
7. src/kexiutils/style/KexiPropertyPaneLineEditStyle.h
8. src/main/KexiMainWindow.h
9. src/main/KexiMainWindow_p.cpp
10. src/main/autotests/GlobalSearchTest.h
11. src/migration/importwizard.cpp
12. src/pics/kexi_breeze_files.cmake
13. src/plugins/forms/CMakeLists.txt
14. src/plugins/forms/kexiformview.cpp
15. src/plugins/forms/widgets/kexidbutils.cpp
16. src/plugins/queries/kexiquerydesignerguieditor.cpp
17. src/plugins/reports/KexiDBReportDataSource.cpp
18. src/plugins/tables/kexitablepart.cpp
19. src/widget/KexiObjectInfoLabel.cpp
20. src/widget/dataviewcommon/kexidataprovider.cpp
21. src/widget/kexiqueryparameters.cpp