patches
added the grouping ability to the wiggle displays
new
fixed missing link on text
fixed cisred links
updated cisred links
removed warns
fixed zmenu
fixed wiggle plot ID
doesnt draw blank gifs
fixed bug with url based data display
das features with scores outside specified region are scaled to the region boundaries

Orang drawing code additions
minor fixes to fix code borked by ek3
fixed projected gene colour bug
merge from vega_46_dev to account for modified classification
highlighted paralogues in genetree in blue colour

Added legend to genetreeview

Minor corrections to legend text
Added font caching for the label_size method. Significant optimisation - 10-fold decrease in paint time for some label-heavy tracks.