mtd-utilities automake/autoconf

Today I checked in automake/autoconf files to ease the make-process of the utilities (no more symbolic linking or copying required). I also added a short description to the README file. As soon I'm ready I will also check in a rpm spec file.

If there are any problems with these files please send me an email. I also plan to add a configure-switch "--wich-endianess" to select the default endianess used by mkfs.jffs,...

jochen