Cascade field change events on bug form, simplify reflow code on query form
Remove #cf_sprint specific style
Save valid_attributes in cache_fields (fixes crash after enabling a field)
Show "None" for empty BUG_ID_REV fields
Rewrite group control help text
Fix readonly display of bug fields; move keywords code away from [% BLOCK input %]
Fix scrum cards js pasting
Fix js errors on readonly fields
Experimental implementation of select fields as hinted editboxes