Slap all datastream into Solr.
Fix datastream info "slurp".

... Was missing the mode... Also, add in general datastream info.
Update stylesheet comment.
Refactor MODS and create fields for authorityURI values.
Merge remote-tracking branch 'origin/modular' into datastream-slurp

Conflicts:
	islandora_transforms/slurp_all_MODS_to_solr.xslt
Merge pull request #53 from adam-vessey/datastream-slurp

Datastream slurp and MODS refactor (and creation of authorityURI fields)