rdma: default to port 5640

This is the default port for rdma in the kernel.  Ref:
  http://marc.info/?l=v9fs-developer&m=134304125329507
untrack autoconf products
add .gitignore
issue 122:  diod crashes with assertion failure at srv.c:754
Merge remote branch 'origin/master'
Makefile.am: drop rpm target
Update tests/misc/Makefile.am EXTRA_DIST

We renamed a file and inadvertantly broke 'make dist'
prep for 1.0.22 tag