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
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
Removing existing diff files before writing them out to the jenkins attachment location.