HKLM... depending on whether the user is restricted (or doing a current
user-only install) or is installing for all users.
Refactored some of the Booleans.
Windows 9x/ME installs shortcuts for the current user (desktop, start menu)
but defaults to install in the 'Program Files' directory like everything
else.
user installation types. Works for a restricted user. Bit weird on Windows
9x - will fix. Needs matching installers for stamps, prevention of execution
of tuxpaint-config by restricted users, registry entry.
