Change audio to use QMediaPlayer instead of QSound
Build with Qt5 now
Add .gitignore
Fix runtime error

Qt 5 seems to be more strict in handling lists than Qt 4
Fix "resources" spelling; fix sound on linux
Use Qt 5 signals of QAction
Remove CVS leftover
Fix slot names, Q_OS macros, and also remove some includes
Fix hoshi points' position

Regression from qt5 porting
Fix sound

FIXME: we look for sounds only in /usr/share/qgo/sounds
This is inconvenient because sound only works after installation
(not immediately after compilation)
Use "open" icon
Display move number and game info in status bar
Qt4->Qt5 in README