Merge pull request #54 from abouffard/master

Added frame image file, name, category, tags export
Merge pull request #55 from abouffard/master

Fixes to export of image file name category and tag output.
Merge pull request #56 from abouffard/master

Fixed some issues in frame and entity export
Minor XML fixes

Adjusted typos and omissions in Control Measure, Space Missile,
Atmospheric, and Oceanographic XMLs
Merge branch 'master' of https://github.com/Esri/joint-military-symbology-xml
Merge pull request #57 from joebayles/master

Minor XML fixes
Merging per Andy
Set Icon / GeometryType for null values in XML

Corrected another quick review, minor corrections

Did NOT update all Icons, will do that another time
Manually added echelons

Just manually editing these for now to get a couple echelon icons exported. (Just be aware these will get overwritten if anyone regenerates these - but that won't be a problem, this is just a temporary change)
XML Process documentation

Added INSTRUCTIONS.md
Merge pull request #58 from joebayles/master

Set Icon / GeometryType for null values in XML
Merge remote-tracking branch 'upstream/master'