added 2011 year to the copyright line
added authors info to the license
added UofM license to libtirpc files that we modified
(but i probably missed some)
server_create() was ignoring the return value of nfs41_name_cache_create(), but it needs to be propagated all the way back through nfs41_server_find_or_create() to nfs41_client_create() and nfs41_client_renew()
Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
