Merge branch 'dev' of https://github.com/franzm/shatrabase
Merge branch 'dev' of https://github.com/franzm/shatrabase
Merge branch 'master' of https://github.com/franzm/shatrabase
updated sboard.cpp
Merge branch 'master' of https://github.com/franzm/shatrabase

Conflicts:
	resources.qrc
merging
Merge branch 'master' of https://github.com/franzm/shatrabase
Merge branch 'master' of https://github.com/franzm/shatrabase
added individual header visibility to TableView/GameList header context menu
started database histogram
context menu and visibility for Histogram, need rework though
intermediate work on histogram
Merge branch 'scratch' of https://github.com/franzm/shatrabase into scratch
added BoardView::displayMessage(QString) to signal on-hover stuff in
mainwindow's toolbar
more work on Histogram
Histogram integration (sendMessage and DockWindow stuff)
placed all SquareItem brushes and stuff into BoardPainter::Decoration
+ changed target highlight to frame
debug output from Engine to AnalyzisWidget
intermediate work on Statistics
- DatabaseStats as general container and calculator
- DatabaseStatsModel as access container for Views
- Statistics as Widget containing a table and a histogram
halfway through to working statistics
stats working
- todo: Histogram must be reworked to use the DatabaseStats class instead of own impl.