Moved csv files into asset package. Files can now be replaced by resource packs.
Changed so that the same code can be used to read csv files wherever they reside and whatever the development environment.
Improved logging for missing user supplied files.
Changed member name for consistency.
Merge remote-tracking branch 'remotes/upstream/master' into csv_files
Merge pull request #84 from BlockAcquisitionConsortium/csv_files

Simplified csv processing