ILL: bugfix: dangling msg invocation.

* Koha/ILLRequests.pm: remove dangling msg invocation.
ILL: fix angular display of requests & results.

* koha-tmpl/intranet-tmpl/prog/en/modules/members/illrequests.tt: use
  'requests', rather than now non-existent pre-seeded 'summary' to populate
  table headings, table results and search results.
* koha-tmpl/intranet-tmpl/prog/en/js/pages/ill.js ($scope.submit):
  doctor addition of status values until API has been implemented.
ILL: Enable storing to db.

* Koha/ILLRequest.pm (save): save request to database.
ILL: first attempt at borrower based requests.

* Koha/ILLRequest.pm (seed_from_api): handle $borrowernumber.
* Koha/ILLRequest/Status.pm (new): populate $borrowernumber.
* Koha/ILLRequests.pm (request): handle $borrowernumber.
* Koha/Service/ILL.pm (new): adjust route.
  (request): new sub.
* koha-tmpl/intranet-tmpl/prog/en/js/pages/ill.js (requestFactory)
  <request>: new function.
  ($scope) <request>: new function.
  ($scope) <submit>: use <request>.