TODO
 - improve transparency perf
 - application to configure and manage dynamically resources
 - fix pb with less (happens sometimes) that need a reset or resize to return to correct status
 - code clean-up
 - implements resources management inside materm code
 - update documentation
 - adapt the menu bar code
 - use insert key to switch between insert and override mode
 - add resource to set the thumb bar colors

DONE
 - make fading working
 - compile error on FreeBSD
 - set icons buttons correctly
 - fix the selection pb
 - segfault when typing "exit" in a shell
 - configure pb in detecting libxpm (on Sun)
 - allow variable size for thumbs
 - make HOME and END working 
 - refresh not good on FreeBSD and Solaris
 - input for cyrillic caracters should be ok
 - recode resources part to customize each terminal from a config file
 - add man page
 - working under Solaris and FreeBSD, no more background pb
 - change the sequence to start a new terminal : ALT-CTRL-N
 - add help and usage message
