GUI-1206
initial bucket landing page and dash/nav
merged develop. linked new bucket dash icon
GUI-1206: Add bucket details placeholder; misc code cleanup
GUI-1206: More progress implementing bucket detail (contents) page
Merge branch 'develop' into GUI-1206
GUI-1206: Better name for bucket contents view, templates, etc.
GUI-1206: Hide object size for folders in bucket contents list; initial progress on sniffing object type from key name
GUI-1206: More icon types for bucket contents list
GUI-1206: Initial progress navigating folder hierarchy in S3 buckets
GUI-1206: Pass delimiter param to bucket list API call to only display items in current folder; remove unneeded "Import Bucket" button on buckets landing page
GUI-1206: Fetch object counts on buckets landing page (via XHR)
GUI-1206: Fixes based on UX feedback

- Correct "View contents" menu item case
- Remove versioning action menu item
- Fix drop-downs on tile view
- Fix links on tile/table view for View contents menu item
GUI-1206: Add icon for buckets landing page and add object type icons on bucket contents page
GUI-1206: Use boto.connect_s3() rather than boto.s3.connect_to_region() for S3 connections.  Add buckets landing page to region selector and fix selector redirect behavior.
GUI-1206: Add page title to buckets landing and bucket contents page
GUI-1206: Convert object counts on buckets landing page to individual XHR fetches
Merge branch 'develop' into GUI-1206
Merge pull request #884 from eucalyptus/GUI-1206

GUI-1206: Buckets landing page and bucket contents page