Fix #70, update global symbol names for consistency

[jphickey]

Checklist (Please check before submitting)

• I reviewed the Contributing Guide.
• I signed and emailed the appropriate Contributor License Agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.

Describe the contribution
This is a simple search and replace of nonconformant symbol names.

Mapping from the old symbol name to the new symbol name is put behind a deprecated compatibility switch

Fixes #70

Testing performed
Build and run all unit tests

Expected behavior changes
None - just a simple symbol rename

System(s) tested on
Debian

Contributor Info - All information REQUIRED for consideration of pull request
Joseph Hickey, Vantage Systems, Inc.

[jphickey]

Merged manually (via command line) to resolve a minor conflict between this and another PR.