feat(lib/core/Storage.js): log during checkInstalling

Log connection errors during checkInstalling.
fix(app.js): parse node.env.PORT

Parse node.env.PORT as an integer so that succeeds comparison with
port in use and is not logged as an error.
Bump Version
feat(lib/core/Logging.js): log to console during bootstrap

When the logging library is loaded, initially configure loggging
to the console so that the boostrap process can provide information.
Bump Version
test(core/lib/Theme.js): test for schema-valid theme.json

Initial support for validating a theme.json file.  Uses node package "jsonschema" to define a schema for theme.json and test validity of instances.  Report failures as hard errors.