Multitude of Updates

Changes to SQL model included deleting App Approval table and opting
for storing a boolean value within the App table.  Also, copied Eric’s
model classes into my model package, and made small edits here and
there, more need to be done.  Abstracted several SQL table child
classes into a “user” table.  Also, added methods and wrote out nearly
the rest of the services including methods for returning all of the
results in a table, which actually receives the data, then converts it
into our Java objects.  We still need service for App Comments and
model for app comments as well.