add park_init
add park_reset_awards_and_history
Started work on options window
forgot debug code
Fix groupbox widget draw issue (issue #91)
Implemented checkbox widget draw function
little addition to checkbox widget
Some work on options window
more work on options window + celcius fix
Merge remote-tracking branch 'origin/master' into window_options

Conflicts:
	src/strings.h
	src/window_options.c
Implement ride upkeep payments
Implement update for ride favourited numbers
Merge branch 'lnz-scenario_stuff'
Merge remote-tracking branch 'upstream/master'