Added GeneralIngestConfigurator support for tracking and checking enabled ingest modules
GeneralIngestConfigurator reworked to produce error msg strings from setContext()
Merge remote-tracking branch 'origin/master' into missing_ingest_modules_err_msg
Improved GeneralIngestConfigurator error message
Moved IngestConfigurator interface to ingest package
Merge pull request #279 from rcordovano/missing_ingest_modules_err_msg

Added GeneralIngestConfigurator support for tracking and checking enable...
Updated Timeline build file to copy mactime.pl only if on Unix.
Merge https://github.com/sleuthkit/autopsy
Merge pull request #282 from jawallace/master

Timeline Copies mactime.pl during build.