Comment 1 for bug 1811288

A branch to do the above and then some:

http://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/berick/lp1811288-fm-editor-combobox

From the commit:

* Linked field options traditionally rendered via <select> are now rendered with an eg-combobox.
* Caller has option to force a combobox to preload values or rely solely on typehead.
* Caller has option to provide a canned list of combobox values.
 ** For non-linked fields, this has the affect of forcing a combobox.
* Caller has option to set / override which field on the linked class should searched by the typeahead
* General improvements to fm-editor form building and field options management.

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The branch has 2 commits for this bug and its built atop the booking admin branch for bug #1809288, since it included a number of changes I wanted to build upon. The booking admin branch should be merged before (or with) this branch.