Setting change to let user disable game duration from being shown

Closes #100
Functionality to let user choose which teams games to display and on which seasons (pre, regular, post) to use team selection
Make it possible to use the 24-hour clock system

This will make it possible to switch between 12-hour clock and 24-hour
clock when using localized game time.

Close #101
Merge remote-tracking branch 'upstream/master'

Conflicts:
	default.py
	resources/language/Dutch/strings.po
	resources/language/English/strings.po
	resources/language/German/strings.po
	resources/settings.xml
Merge remote-tracking branch 'upstream/master'

Conflicts:
	resources/language/Dutch/strings.po
	resources/language/English/strings.po
	resources/language/German/strings.po
	resources/settings.xml