Fix epydoc error in rlib2.py
Fix epydoc error in rlib2.py

I blindly assumed epydoc would use normal reST, but turns out it uses
its own “epytext” in our configuration. Since the latter doesn't support
blockquotes, I just make the paragraph a literal block.

Signed-off-by: Michael Hanselmann <68b67885ff74281219b4a4be33cc20fd45078d7c@google.com>
Reviewed-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>

andir/ganeti,leshchevds/ganeti,dimara/ganeti,bitemyapp/ganeti,mbakke/ganeti,mbakke/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,yiannist/ganeti,leshchevds/ganeti,ganeti/ganeti,apyrgio/snf-ganeti,leshchevds/ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti,andir/ganeti,onponomarev/ganeti,grnet/snf-ganeti,grnet/snf-ganeti,onponomarev/ganeti,bitemyapp/ganeti,apyrgio/ganeti,yiannist/ganeti,apyrgio/ganeti,mbakke/ganeti,ganeti/ganeti,andir/ganeti,apyrgio/snf-ganeti