implement research_update
implement research_calculate_expected_date
implement research_update_uncompleted_types and refactor research
Merge branch 'research-update'
Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2
mixer fix
Added start of shortcut window
Added the smaller shortcut functions
Added missing functions and window_shortcut_change
Moved mini window into seperate file. Fixed all bugs
Added the ability to read the current keyboard assignment
Merge pull request #508 from zsilencer/master

mixer fix
Merge pull request #509 from duncanspumpkin/window_shortcut

Window shortcut