tidy

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@8240 ee4ac58c-ac51-4696-9907-e4b3aa274f04

etc/key_mapping

 # CHADO (SO) database key mappings (used for writing out to file)
 #
-# CHADO                 	map     		qualifier (optional)
+# CHADO                 	map to 		    qualifier (optional)
 pseudogenic_transcript      mRNA            pseudo
 pseudogenic_exon            CDS             pseudo
 pseudogene                  gene            pseudo