Define named constant for null sprite locations
Add the logo window paint function and move some constants to addresses
Fix comment relating to prefix for expansion
Implement exit button paint and mouseup
Use colour defines over magic numbers
Merge branch 'title-logo-paint' of https://github.com/benpye/OpenRCT2 into benpye-title-logo-paint
draw OpenRCT2 text and version on title screen
Add game flag for development only below tree height.
Merge pull request #31 from kevinburke/game-flag

Add game flag for development only below tree height.
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into update_objective
Name peep variables for current train and car
Fix finding peep on ride news items

Peep's current_* variables were offset by 1. Also fixed comparison
between 32-bit and 16-bit ints.
Change peep news item enum names
Add rct_car sprite and tidy up news locator

Also add (x,y,z) coordinate variables for rct_peep
Fix comments
fix case and add author to source code header
rename current day to current month ticks
Merge remote-tracking branch 'upstream/master' into update_objective

Conflicts:
	src/window_game_bottom_toolbar.c
Start implementation of scenario_update.