doc: Updated RPM documentation with additional details.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Fixed formatting errors.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
fuse: fix fuse_getgroups detection

The ac_check_func fails because -lfuse is not in LIBS. This also enables
code that wasn't being compiled, and fixes compiler errors that
resulted.

Signed-off-by: Noah Watkins <noahwatkins@gmail.com>
Reviewed-by: Sage Weil <sage@inktank.com>