Release 5.0.0

[tonystone]

Description

Prep for release 5.0.0

How Has This Been Tested?

All existing tests were run and passed.

Checklist:

For all changes:

• Is there an issue associated with this PR? Is it referenced
  in the commit message?
• Has your PR been rebased against the latest commit within the target branch (typically master)?
• Is your initial contribution a single, squashed commit?

For code changes:

• Avoid other runtime dependencies
• Have you written or updated unit tests to verify your changes?
• Have you ensured that the full suite of tests is executed via make tests in the cmake-build-debug` directory off the root of the project?
• If applicable, have you updated the documentation?
• If applicable, have you updated the CHANGELOG.md file?

For documentation related changes:

• Have you ensured that format looks appropriate for the output in which it is rendered?

Note:

Please ensure that once the PR is submitted, you check travis-ci for build issues and submit an update to your PR as soon as possible.

[codecov]

Codecov Report

Merging #102 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #102   +/-   ##
=======================================
  Coverage   99.56%   99.56%           
=======================================
  Files          27       27           
  Lines         923      923           
=======================================
  Hits          919      919           
  Misses          4        4