Update logo padding, size and add screenshot

Update build-and-test.yml

Update build-and-test.yml

Add badge

Update requirements-epanet

Add system dep boost

GitHub Actions initial commit

Update README.md

Merge branch 'master' into develop

Merge branch 'master' of https://github.com/USEPA/epanet-solver

Merge pull request #50 from USEPA/release

Updating nrtests URL

Merge branch 'release'

Merge branch 'master' of https://github.com/USEPA/epanet-solver into release

Updating headers