GeoLocation, AboutUS typo, NavBarStyle and Correction

You may ignore my slight changes in the load files because this is my file path instead of yours.  For the Geolocation, I added some code from MapBox to the campus detailed view.  I corrected a typo that I found in the About Us page.  I also changed some of the Nav bar style to hopefully find where that Green font is coming from.  I also changed the url for the "Browse Directories" in the navbar (located in the base.html).  It was originally going to /directories, but now going to /campuses.