Refactoring of colleciton ingest to use ingest steps.
code style
Merge branch '7.x' of https://github.com/Islandora/islandora_solution_pack_collection into 7.x.collection_ingest_update
removing call to deprecated function, updates to doc comments, reverting parameter on batch ingest
Merge pull request #80 from willtp87/7.x.collection_ingest_update

Refactoring of colleciton ingest to use ingest steps.