NFS2 write patch

I've attached the write patch for nfs2.

To mount a non readonly file system you must specified the uid and gid of the user.

nfsmount /nfs 192.168.2.100 /home/andrei/temp 1000 1000

I've also improve the rpcinfo command . I've added in the report generated by rpcinfo the name of the program.

The code it is not synchronized correctly so do try nasty things . And also don't try read and write in the same command ( for example cp /nfs/a.zip /nfs/test/zip.test)