Fix XHProf index page
Summary:
Ref T2870. This resolves a few issues:
- No proper Application. Define one.
- Routes are in the default controller. Move them to the application.
- UI doesn't work on mobile.
- Overescaping in the link column.
Test Plan:
Old page:
{F38444}
New page:
{F38445}
Reviewers: btrahan, chad
Reviewed By: chad
CC: aran, AnhNhan, edward
Maniphest Tasks: T2870
Differential Revision: https://secure.phabricator.com/D5531