Merge with master, SOLR 6.x, case sensitive Cassandra

[adam-collins]

SOLR 6.x Case sensitive Cassandra

Changes include

• mandatory solr.collection config parameter
• lazy SDS layer loading
• lazy SDS finder init
• option for whole taxon profile caching, taxon.profile.cache.all=false (default)
• option for taxon profile cache size. taxon.profile.cache.size=10000 (default)
• add hostname to log4j
• update for sandbox usage
• format code and organise imports
• change remaining '.p' to Config.persistenceManager.fieldDelimiter + "p"
• option for case sensitive fields in Cassandra3. cassandra.case.sensitive=true (default)
  • using lowercase 'rowkey'.
  • using Uid and ID.
  • when cassandra.case.sensitive=true remapping is disabled for bioorder -> order, classs -> class
• include "load-dwca" options into the generic "load".
• update update-conservation-data for cassandra3.
• add "bulk-processor load-conservation-data" to run after "update-conservation-data" to update occ instead of re-running the location processor.
• support deleting of more SOLR rowkeys with ListDelete.
• add options to "process" cmd.
• add option to sample-local-node for specific layers (el/cl).
• add index-local-records-v2 using lower level API SOLR index creation, Cassandra paging using arrays instead of maps, additional option for indexing/storing all cassandra content.
• allow port specification with cassandra.hosts comma delimited list of host:port.
• enable usage of cassandra.port to override the default.
• option for automatic cassandra column creation. cassandra.column.create=true (default)
• enable exit of cassandra3 paging, pageOver* with proc => Boolean false.
• add config option classification.cache.size

[djtfmartin]

Ive merged this pull request on to the 2.x branch.

@adam-collins @sadeghim Do we still need the 2.x merge branch ?