Add new target BaristaHelper to project
Remove unneeded resources
Make Helper background application
Set BaristaHelper as dependency and copy it on build into main app
Enable sandbox for helper app
Add code to launch main application from helper
Add LoginItemController with basic Setup
Remove Sandbox entitlements for testing purposes

Without DeveloperID, the Sandboxed app will have problems building/running.
Don't try to strip debug symbols again when copying helper app into main bundle
Integrate NSUserDefaults
Integrate launchAtLogin function into setter
make bundle-properties constant
Code cleanup
remove stale code from main controller
Merge branch 'develop' into feature/launch-on-login
Merge branch 'feature/launch-on-login' into develop