Cleanup and Order Export File

Limits the fields placed in the export file to those relevant for the import and configuration management. This simplifies the set of differences when comparing export files.
Improve Check for Role Capabilities and Context Levels

This silences warnings that were being emitted when no capabilities or context levels were found in the associated blocks (i.e. for those roles whose permissions you have decided to revoke entirely).
Merge pull request #9 from jrchamp/master

Streamline and Order Export File; Fix Minor Warnings on Import