johnsojc's patch for avatar headshots

Derived from
http://forum.guildofwriters.org/viewtopic.php?f=114&p=63757#p63757 with a
few minor changes (use constant aspect ratio and change the male CY).
Hack around bugs in AgeSDL python parameters

So, apparently Cyan's artists liked trailing whitespace. So, we'll nuke
all whitespace from the SDL variable name arugments. Whitespace is invalid
in variable names anyway.
Ensure remote players aren't miscounted as quabs
Merge pull request #69 from Hoikas/quab-overflow

Fix Sphere Spinning
Add xCheat command and Chronicle node for selecting a HomeAge to be used on startup.