Move templates from app/templates to server/www/templates

Summary:
- Move templates from app/templates to server/www/templates
- Partials not referenced with `templates/partials/...` not just `partials/...`
- Add <base> tag needed for angularjs $location

Test Plan: - Load the UI and check it works

Reviewers: seth, shadowhand

Reviewed By: seth, shadowhand

Differential Revision: https://phabricator.ushahidi.com/D311