Merge pull request #3 from roybaer/master

Properly delegate drawing stuff to GlChip and GlField
Add keyPressEvent to GameWidget to allow pressing column numbers on keyboard as input
aiplayer implemented
Merge pull request #4 from jangoclik/master

aiplayer implemented
Add qtcreator files to gitignore
Wire up some more signals/slots
Disable AI because it's crashy
aiplayer quickfix
Merge pull request #5 from jangoclik/master

aiplayer quickfix
Aiplayer check4 finished , default emit in move()
Merge pull request #6 from jangoclik/master

Aiplayer check4 finished , default emit in move()
Implement chip and field
Merge pull request #7 from wladi-do/master

Implement chip and field
Don't compile Gl* classes if artoolkit was not found
switch to GameWidget, move drawing stuff
calculate relative position of chip marker and print it to debug stream
minor corrections, emit arChipDropped
clean up merge artifacts
add QColor attribute, getter and setter to Player
emit arChipDropped only if marker newly moved down and column within correct bounds