Implemented modal dialogue for create new queue
create queue calls 3x-queue successfully
Cleaned ajax call to create queue

Form also clears after closing; 'create queue' button disabled with
empty name field.
Cleaned up the #25 code a bit

- Move focus to name input when modal dialog is shown
Made enter key work from the input to create queue
Passing #queue-create-form to QueuesView from RunsSection
Merge branch 'pr/25'