Merge pull request nf-core#660 from mp15/sanger_compute_rename

Update Sanger main compute farm name

conf/sanger.config

@@ -1,6 +1,6 @@
 
 // Extract the name of the cluster to tune the parameters below
-def clustername = "farm5"
+def clustername = "farm22"
 try {
     clustername = ['/bin/bash', '-c', 'lsid | awk \'$0 ~ /^My cluster name is/ {print $5}\''].execute().text.trim()
 } catch (java.io.IOException e) {