GUI-1088
updates from UX review
GUI-868
rely on IAM calls to test permissions for IAM resource access
forgot to add new file
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
GUI-1088
last UX cleanup?
merged develop
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
fixed minor typos
merged develop
text fix, removed colon from dialog title
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