Add PersonRepository class.

Signed-off-by: Max Fierke <max@maxfierke.com>
Modify GET /UMRA/Person to output JSON based on query parameters passed to search

Signed-off-by: Max Fierke <max@maxfierke.com>
Implement typeahead.js-based basic member search

Signed-off-by: Max Fierke <max@maxfierke.com>