change RELNOTES to Release Notes

git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid-7.3@1060 82007160-df01-0410-b94d-b575c5fd34c7
- m_eob.c: remove redundant header includes

git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid-7.3@1062 82007160-df01-0410-b94d-b575c5fd34c7
- respond.c:binary_to_hex: fixed harmless compile warning

git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid-7.3@1064 82007160-df01-0410-b94d-b575c5fd34c7
- removed mr_motd. unregistered clients may no longer request a MOTD

git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid-7.3@1065 82007160-df01-0410-b94d-b575c5fd34c7