allow scenarios from any location to be started via command line
add edit command line function
Merge branch 'master' into cmdline-scenario
Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2

Conflicts:
	projects/openrct2.vcxproj.filters
Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2
Merge remote-tracking branch 'remotes/remote/ride-window'
Fixes issues with colour drop down.
Started adding init_viewport
Fix compile error
window_scroll_to_location
Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2
Finished viewport_create for window_ride
Use new ride window when clicking on ride
Move cursor location fix #476
#479
Fix errors/warnings in VS build

* Added libspeex to 'Debug' target, previously only 'Release' had it.
* Initialize some pointers with NULL when an uninitialized code path is
unlikely, but possible.
Merge pull request #481 from marcotc/work

Fix errors/warnings in VS build
Merge pull request #480 from duncanspumpkin/fix_window_ride

Fix window ride
Merge pull request #477 from zsilencer/master

window_scroll_to_location
implement window_dropdown_show_colour