Rewrite script to convert CMAQ netCDF exposures data to extract all variables

[lstillwe]

Rewrite script to convert CMAQ netCDF exposures data to extract all variables available from 2010 and 2011 and directly create Postgres DB table

[lstillwe]

Related to this: https://github.com/RENCI/cmaq-exposure-api/issues/12

[mjstealey]

Data is presently being ingested into database at cmaq-dev.edc.renci.org

2010:

• 112 rows x 148 cols x 24 hrs x 365 days = 145,205,760 rows of data
• 72 variables: var + 6 aggregates = 504 columns of data per row

2011:

• 299 rows x 459 cols x 24 hrs x 365 days = 1,202,231,160 rows of data
• 122 variables: var + 6 aggregates = 854 columns of data per row
• 70 variables overlap with 2010

[lstillwe]

This is completed