Added config file to gitignore to avoid checking in API key
Moved config to demo app, since the lib does not need that
Fixed Xcode warning
Moved ref to ProductLayerConfig in project
removed config file, the API key can be set at runtime
added assertion for API Key presence check, in case of error response send nil result.
Merge branch 'od/improvements' into develop
Reindented
Added missing import
avoid trying to load user data if there is no access token
Renamed entitiy class identifiers
Cleanup work, making all entities a subclass of PLYEntity
beautified PLYAuditor
Beautified PLYImage
cleanup
Fixed renamed import
Cleaned up PLYPackaging
fixed smoke test, added basic timeline function, cleanup
switch to test server for development
cleaned up PLYProduct