Improved manifest slug creation
Solrdocument image, media, doc counting

Also ignores the "link" predicate from indexing
Revert "Solrdocument image, media, doc counting"

This reverts commit 9c41a45744a4a072488419afb54cda38959b70c2.
Fixed manifest slug generator. now unique
Revert "Solrdocument image, media, doc counting"

This reverts commit 9c41a45744a4a072488419afb54cda38959b70c2.