PEGASUS: Fix Ares flag not getting reset upon jumping to Mars
FULLPIPE: Implement Background::~Background()
MADS: Fix a big in scene 102, implement scene 109
MADS: Fix for sprite refreshes when doing player cutscenes
MADS: Implement scene 110
MADS: Implement scene 110
MADS: Implement scene 111
MADS: Implement scene 112
MADS: Fix several Rects in scene 101 and 109
FULLPIPE: Implement ModalMainMenu::init()
MADS: Implement scene 214
MADS: General cleanup and minor renamings
MADS: Renaming for sprite cycle triggers
MADS: Fix depth issues with sitting in chair in scene 101
MADS: Fix rects in scene 202, 210, 211, implement scene 215
MADS: Remove some useless accolades, implement scene 216
KEYMAPPER: Avoid blocking F7 events from engine when using vkeybd.

This allows the virtual keyboard to be enabled without causing breakage
to engines which use F7.
KEYMAPPER: Avoid blocking F8 events from engine when using keymapper.

This allows the keyboard mapper to be enabled without causing breakage
to engines which use F8.
MADS: Fix player/sprite setup/teardown for scene 112
MADS: Fix to stop game ending when loading a cutscene scene