AVALANCHE: Rename/implement rest of getMe().
AVALANCHE: Silence GCC warnings

Mainly, GCC complained about case labels having a value less than
the minimum value for the type. Probably because character literals
may be signed or unsigned, while _trigger is always unsigned.
AVALANCHE: Made comments ASCII friendly

The comments I introduced earlier (previusly case labels) have been
changed to avoid non-ASCII characters. The descriptions were taken
from an ISO 8859-1 manual page.
AVALANCHE: Implement keyboard control in Help.
FULLPIPE: More work on scene09_initScene()
FULLPIPE: Even more work on scene09_initScene()
FULLPIPE: Implement scene09_setupGrit()
FULLPIPE: Further work on scene09_initScene()
FULLPIPE: Plug scene09 in
FULLPIPE: Implement scene09_updateCursor()
FULLPIPE: Implement sceneHandler09_updateScreenCallback()
FULLPIPE: Implement sceneHandler09()
FULLPIPE: Enable scene09
CGE: Add an option to toggle color blind mode from the launcher
HOPKINS: Fix bug that could cause the music to stop prematurely

The SoundManager filled the sound handles with zeroes, which made
the mixer confuse them with active sound handle zero. In my case,
this happened to be the intro music, and the music was stopped when
playWavSample() wrongly thought its sound handle was in use.
NEWS: Fix typo