[CB-3797] rename of targets.json to blackberry10.json

[CB-3797] updated target script to use globally accessible blackberry10.json file, creates if not found.

[CB-3797] removed targets.json copy in create script, bug fix in target.js
removed run script dependency or project.json

[CB-3797] moved blackberry json properties file initialization functions to utils

[CB-3797] updated build and run scripts to use utils.js and use blackberry10.json