Add "id" argument to the handler.update

create doesn't need an id as it gets created, but the update
like the get and delete need to look up an object.

Change-Id: Iaae7a2067293d8fd6a35d905db68d8b1d70df9e8
Add the db schema for the application table

This is just providing the basic db columns needed for
solum/objects/sqlalchemy/application.py.

The initial file was generated with:
$ solum-db-manage revision -m "Add application"

Change-Id: I7bc914c12284041b14a414c333eb05d427ac5b2e
Merge "Add "id" argument to the handler.update"
Merge "Add the db schema for the application table"