Fixed some issues in frame and entity export

1. NotValid geometries when entity is placeholder
2. Land Civilian modifier paths now correct
3. Removed frame ID from the end of the frame names
4. Updated activity XML to reflect NA geometries
5. New versions of affected csv files included
Merge pull request #56 from abouffard/master

Fixed some issues in frame and entity export
Merge branch 'master' of https://github.com/Esri/joint-military-symbology-xml