Adding "loading..." message for display while tabs are changing.

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Implementing the filter on the listbuilder UI.

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Splitting application into two options:
- One (MIT Libraries, L&T theme)
- Two (DSpace@MIT, Mirage theme)

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Removing old sample and template pages.

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Switching connection string and listbuilder plugin to use the new summaries collection

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Rebuilding the data tab to use the new summaries collection.

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Switching map tab to use the new summaries collection.

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>