Merge pull request #1 from rcordovano/parallel_file_ingest

Made keyword search classes use ingest job settings
Merge branch 'develop' of https://github.com/rcordovano/autopsy into develop
Keep track of how many HashDbIngestModule instances there are per job and only post one summary inbox message per job.
Remove ID from public API of IngestMessage, and add a thread safe counter to use instead.
Remove message ID passing from Core to IngestMessage
Remove messageID tracking and passing from modules as class IngestMessage handles it automatically now
Merge pull request #590 from SynapticNulship/mt-msgid

Make handling of message ids for ingest module ingest messages thread-safe
Merge remote-tracking branch 'upstream/develop' into mt-onemsg

Conflicts:
	HashDatabase/src/org/sleuthkit/autopsy/hashdatabase/HashDbIngestModule.java
Make jobID private. Remove now-unused members.
Rename refMap and its mutator methods
Added comment about what the map is mapping
Merge pull request #591 from SynapticNulship/mt-onemsg

HashDB one msg per job
Merge remote-tracking branch 'upstream/develop' into develop
Removed logging start of ingest of each file
Merge pull request #594 from rcordovano/remove_per_file_ingest_log_msgs

Remove per file ingest log msgs
Removed skip known files setting from file ext mismatch detector
Merge pull request #595 from rcordovano/change_file_ext_mismatch_settings

Removed skip known files setting from file ext mismatch detector
Merge remote-tracking branch 'upstream/develop' into parallel_file_ingest
Thread pool shutdown variation