Merge pull request #2465 from klange/master

change nyancat telnet server

plugins/nyan/nyan.plugin.zsh

 if [[ -x `which nc` ]]; then
-  alias nyan='nc -v miku.acm.uiuc.edu 23' # nyan cat
+  alias nyan='nc -v nyancat.dakko.us 23' # nyan cat
 fi