GUI-1133
updated image progress display, added cancel for bundle operations. Fixed cache invalidation for images when bundling. Fixed bdmapping_editor json escaping
GUI-1133
ux tweaks
GUI-1133, GUI-1236
code review tweaks, added image creation steps for user
Merge pull request #892 from eucalyptus/GUI-1133

GUI-1133: Show image status and progress on image landing page and image detail page