Complete the switch to gnulib instead of plibc for inet_ntop
Fix naming conflict with Windows function PrintDlg
Remove more unnecessary code when not building collab
Add -no-undefined to remaining libraries
Fix My Documents backslash-to-slash & preferences on Windows
Applications should not save directly to the %APPDATA% location, but should create a folder of their own to store data in.

Note: getUserHomeDir is flawed in that you should not modify the contents of strings
returned by getenv.
More inclusion of fontforge-config.h