Adding callback to conditionally hide datatable pagination if only one page is visible. This closes #42

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Switching page title to h1, and site title to a div

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Merge pull request #84 from matt-bernhardt/master

UI changes - pagination and H1 treatment