Created the Settings app.
Merge branch 'master' into database_split
Merge branch 'master' into database_split
Created a router to separate current scenario from global settings
Fixed 1.6 compatibility issues with multiple databases.
Scenario_filename now be read and stored to the Settings database.
Cleanup: registering Settings with admin.
Updated databases.  Created new_scenario view.
Merge branch 'master' of https://github.com/NAVADMC/SpreadModel