Merge pull request #14 from abouffard/master

Added initial version of user doc
Merge pull request #15 from abouffard/master

Consolidated constants as static members
Air QC

Completed and QC'd 2525D Air/Air Missile XMLs, added 2525D
Activities/Cyberspace XMLs from Box.
Space QC

Completed and QC'd 2525D Space/Space Missile XMLs
Corrected issue w/ Interceptor Legacy Symbol in 2525D Air XML
Activities XML

Completed 2525D Activities XML
Activities XML Legacy Symbols Commit 1

Just checking in so you can see what I'm talking about... I'll comment
in line.
2525D_Activities

Complete Activities XML, still have issues with Legacy Symbols
2525D_Activities Rip

Ripped out LegacySymbols that belong in a different XML as per Andy B.
There are still some codes that need to be addressed. I put the old XMLs
in a txt file on Box.
Add image converter utilities #21
Merge pull request #22 from csmoore/master

Add image converter utilities #21
Merge pull request #17 from joebayles/master

Air QC
Merge branch 'master' of https://github.com/Esri/joint-military-symbology-xml