use caption instead of feature_key for a label in text export
display error message if file could not be found
fixed problem with zmenu
hack to fix zmenus
removed warn
added label
text export function
minor patch
will you please be quiet
will you please be quiet
I said be quiet already

Alternative to the Vbinned series of drawing modules - created for new userdata interface

Altered to use glyphset->render rather than render_normal
Use new Compara_Alignments view, compatible with non-ajax browser
merge from branch-vega-49-dev
New glyphset for drawing read coverage wiggle plots
changed to work with read coverage collection data
fixed various parameter setting stuff
fixed drawing buglet

Tweak to method _url so it doesn't barf if no core parameters!