Shortened the name of the DispatcherServlet configuration file and moved
it to a subdirectory called 'spring'.
Mapped DispatcherServlet to root of container without affecting other
resources.  Added formula and weight fields to the DrugEntity class and
search view.
Added Bootstrap CSS and JavaScript
Renamed header and footer to match _layout; added a Bootstrap toolbar
into the header; moved the search box into the header.
Added Cerulean bootswatch to search layout with a custom.css for any additional CSS tweaks.
Merge branch 'bootstrap' of https://github.com/emma-burrows/pepper into local copy of bootstrap branch