update

ChangeLog

 Version XX
+	Added RNASeq strand specific option to the BAM popup menu ('Colour By' -> 
+	'RNASeq Strand Specific Tag (XS)'). Reads colours are based on the XS 
+	tag (used by TopHat). The RNA strand is then used in the coverage plots.
+	
 	Added the following flags:
   		-Dshow_snps			Show SNP marks in BamView
   		-Dshow_snp_plot		Open SNP plot in BamView