CMAQ Developer Guide

[lizadams]

Status update on CMAQ Developer Guide.
It is now available on the CMAQ 5.2 gamma branch:
https://github.com/CMASCenter/EPA-CMAQ/tree/5.2Gamma/CCTM/docs/Developer_Guide

• used the MPAS Developer Guide as a template for the CMAQ Developer Guide
  see link to PDF version of MPAS Developer guide on following website: https://mpas-dev.github.io/
• found a command line option to convert from github markdown to PDF
  pandoc -f markdown_github -V geometry:margin=1in --latex-engine=xelatex -s -o ./PDF/CMAQ_Dev_Guide.pdf CMAQ_Dev_Guide.md
• need to make a notation in the DG that the code directory structure was revised beginning with CMAQ v5.2 alpha
• need to make edits, especially where the MPAS developers have a different methodology than what we are using for CMAQ