Request details page to be consistent with request list

For the request details page to be consistent with page listing all
request, this adds the following items:
* Request ID
* Status
* Approval State

and renames the following items:
* Status -> Request State
* Requested by -> Requester

https://bugzilla.redhat.com/show_bug.cgi?id=1062382
Request details page: further polishing

Added missing pieces of information:
* Details
* Request Type

Changed field:
* Submitted On -> Created On

https://bugzilla.redhat.com/show_bug.cgi?id=1062382
Merge pull request #321 from mzazrivec/fix_request_details

Request details page to be consistent with request list