Add new publishers for YouView
Merge pull request #207 from atlasapi/youview-bt-ingest

Add new publishers for YouView
Disambiguate publishers with same titles
Merge pull request #206 from atlasapi/mbst-8912-featureset-support

Add two new PA features publishers
Added a new RTE publisher
Merge pull request #208 from atlasapi/mbst-8913-rte-publisher

Added a new RTE publisher
Add with methods for Policy
Policy.copy() needs to copy new attributes
Add Voila channel groups publisher
Added publisher for barney
Solved conflict in Publisher