updates

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@11376 ee4ac58c-ac51-4696-9907-e4b3aa274f04

ChangeLog

 Version 11+
+	All graphs can now be configured to be plotted as line graphs
+	or heat maps.
+	
+	Added support for wiggle (variableStep/fixedStep) plots that can be 
+	displayed as histograms or heat maps.
+	
 	Added a new user plot file format with the first column specifying
 	a base position.