Merge pull request #18 from pkellner/master

Because MongoLab (part of Azure cloud solution) requires a username and ...
Merge pull request #19 from pkellner/master

Realized I could have handled case of no username and password better so...

Looks better. Merged.
Update server-db.js

Common place to process errors. Add config parameter for termination process optional (breakOnError).
Update db-config.json

"breakOnError": true
Update db-config-mongolab.json

add "breakOnError": true
Merge branch 'jurisvextdirectexamples/master'