Issue #015: Now searches on the UH Course Availability site, allowing users to search for courses that may not be in the database yet.  Issue #018, #020: Creating a Course object when tracking it now reads in lab data as well, which is displayed on the Profile page.  Issue #024: The flash message for the search results now indicates how many results were found for the given search terms.  Issue #025: A flash message now appears when users stop tracking a course.