fix zmenus on norml rendering
New LRG tracks and decorations
More RLG glyphsets
Fixed bug in sort_features_by_priority, which was not returning anything if no priority values set
legend for sequence pages - standalone image
Use the right alphabet in the GeneTree legend
Add the possibility to click on individual blocks in the nets (in normal rendering mode)
changed to work with features from a specific cell line
changed to display all possible types to get around issue of data in multiple tracks
added cell_line info for zmenus
show empty tracks
changed rendering style
fixes to display data from more than one cell line
new code for functional genomics multi wiggle plots
new glyphset for multi_wiggle_data
removed warn
merged back branch changes
merge changes made on branch
brought back code removed by sb23 in  revision 1.109.2.2 as change broke display of oligo probes,
fix this crap again