Merge pull request #9 from ahalterman/master

Large dictionary fix for updates and accuracy
Added story level discards
Merge pull request #10 from openeventdata/dev

Bunch of changes to decrease false positives and update dictionaries.
Added EMM entries for high-frequency actors, additional info on South Sudan, various other edits
Merge pull request #11 from openeventdata/dev

Added EMM entries for high-frequency actors, additional info on South Su...
Revert "Added EMM entries for high-frequency actors, additional info on South Su..."
Merge pull request #12 from openeventdata/revert-11-dev

Revert "Added EMM entries for high-frequency actors, additional info on ...
Added EMM entries for high-frequency actors, additional info on South Sudan, various other edits
Add more South Sudan
Replace SEP and INS with REB