update

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@15674 ee4ac58c-ac51-4696-9907-e4b3aa274f04

ChangeLog

 Version XX
+	Add new Coverage view to BamView. It automatically switches to this view
+	on zooming out.
+
 	Add options to write out or view FASTA sequences from VCF/BVF variation
 	data.