PA Series Summaries

This change is for http://jira.metabroadcast.com/browse/MBST-6028

It ingests series_summary and season.season_summary into a new Brand and a
new Series items and make these equivalent to the existing ones.
used brand original Cannnical URI replacing publisher's key
used brand original Cannnical URI replacing publisher's key
fixed expected uri in test
fixed expected uri in test
fixed expected uri in test
fixed expected uri in test
rolled getBooleanValue back
moved fields to method that uses them
removed field unecessary field
Save original object before saving summary object

In case the object doesn't exist, we get a "No lookup entry for Equiv" error
Merge branch 'mbst-6387-create-extra-summary-content' of ssh://github.com/atlasapi/atlas into mbst-6387-create-extra-summary-content

Conflicts:
	src/main/java/org/atlasapi/remotesite/pa/PaProgrammeProcessor.java
Merge branch 'mbst-6387-create-extra-summary-content' into stage