Adding an own application for search

Summary:
Refs T2989

Renamed file

Libery

Test Plan: Nothing broken, that's always a good sign.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2989

Differential Revision: https://secure.phabricator.com/D5697

Conflicts:

src/__phutil_library_map__.php