Corrected about window's credits.

Switched the callproc values in the credits to open the proper music/publisher credits.
0x00405465, 0x004016FF, 0x00405222
Merge pull request #386 from wolfreak99/patch-1

Corrected about window's credits.
Fix #385, made widget_is_enabled return 1 if true
Fix definition of PARK_FLAGS_NO_MONEY flag and clean up related code.
Merge remote-tracking branch 'IntelOrca/master'

Conflicts:
	src/game.c
	src/park.h
Fixed some buttons not working after last commit
Fixed typo in window_staff_peep_stats_update.
Merge pull request #389 from hexdec/master

Fixed typo in window_staff_peep_stats_update
Merge pull request #388 from adrian17/widget_is_enabled_fix

Fix #385
0x004015E7
Merge pull request #390 from zsilencer/master

sound routines
Added the missing enabled_widgets for window_staff_peep.
Added Widget enums for window_staff_peep.
Merge pull request #391 from hexdec/master

Added missing enabled_widgets for window_staff_peep.
More PARK_FLAGS_NO_MONEY updates. Implement finance_update_daily_profit().
Add comment to finance_update_daily_profit().
Merge remote-tracking branch 'IntelOrca/master'
Merge pull request #392 from DutchRPW/master

Money related stuff
add ride track functions, for window ride branch