implement research_update
implement research_calculate_expected_date
implement research_update_uncompleted_types and refactor research
fix #506 Paths can no longer be placed
vehicle sounds now using Mixer

Fixed bug that caused widgets to miss draw. Fix #335

Merge pull request #505 from duncanspumpkin/gfx_rect

Fixed bug that caused widgets to miss draw.

fix #506 Paths can no longer be placed

Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2

vehicle sounds now using Mixer

Fixed bug that caused widgets to miss draw. Fix #335

Merge pull request #505 from duncanspumpkin/gfx_rect

Fixed bug that caused widgets to miss draw.

fix #506 Paths can no longer be placed

Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2

Merge branch 'master' of https://github.com/zsilencer/OpenRCT2

Fixed bug that caused widgets to miss draw. Fix #335

Merge pull request #505 from duncanspumpkin/gfx_rect

Fixed bug that caused widgets to miss draw.

fix #506 Paths can no longer be placed

Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2

vehicle sounds now using Mixer

Fixed bug that caused widgets to miss draw. Fix #335

Merge pull request #505 from duncanspumpkin/gfx_rect

Fixed bug that caused widgets to miss draw.

fix #506 Paths can no longer be placed

Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2

Merge branch 'master' of https://github.com/zsilencer/OpenRCT2

vehicle sounds now using Mixer

Fixed bug that caused widgets to miss draw. Fix #335

Merge pull request #505 from duncanspumpkin/gfx_rect

Fixed bug that caused widgets to miss draw.

fix #506 Paths can no longer be placed

Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2

Merge branch 'master' of https://github.com/zsilencer/OpenRCT2
Merge pull request #507 from zsilencer/master

vehicle sounds now using Mixer
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
Decompiled PEEP_STATE_QUEUING
Added notes on peep actions
Added peep_insert_new_thought
Refactored insert_thought