This enables easy access to all lnd settings for development, and is a step
toward relying on an external configuration file that will be accessible to
users for whom the code is not.
Move rpc.proto into the resources directory along with all of the other
external resources.
Fix up the resource paths to reference external resources correctly
depending on wether the app is being run locally or from a release.
Only one of these files was being used, and they were going out of step
relative to one another.
Put rpc.proto in the resources directory for consistency with other
vendored resources, i.e. the lnd binary
Updated the def from:
https://github.com/lightningnetwork/lnd/blob/master/lnrpc/rpc.proto