resolve issues with ship-templates and memcpy by deprecating ship-copy

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9888 387891d4-d844-0410-90c0-e4c51a9137d3
Fix waaay too short char * var for hostname

(this was a buffer overrun for every fs2netd game until coverity complained)

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9889 387891d4-d844-0410-90c0-e4c51a9137d3