Travis cleanup (#137)

* Cleanup Travis CI references.

* Badge fix.

* Try again...

* Case wrong?

.github/workflows/ci.yml

@@ -52,14 +52,14 @@ jobs:
     steps:
     - uses:               actions/checkout@v1
     - name:               setup environment
-      run:                bash UnitTests/travis_before_install.sh
+      run:                bash UnitTests/before_install.sh
       env:
         TESTOS:           ${{ matrix.testos }}
         MPICH:            ${{ matrix.mpich }}
     - name:               build ntpoly
       run:                |
         cd Build
-        bash ../UnitTests/travis_run_cmake.sh
+        bash ../UnitTests/run_cmake.sh
         make
         cd ../
       env:
@@ -76,12 +76,12 @@ jobs:
     - name:               check examples
       run:                |
         cd UnitTests
-        bash travis_check_examples.sh
+        bash check_examples.sh
         cd ../
       env:
         TESTEXAMPLES:     ${{ matrix.testexamples }}
     - name:               lint
       run:                |
         cd UnitTests
-        bash travis_lint.sh
+        bash lint.sh
         cd ../

ReadMe.md

@@ -1,7 +1,6 @@
 Project Overview
 ================================================================================
-
-[![Build Status](https://travis-ci.com/william-dawson/NTPoly.svg?branch=master)](https://travis-ci.com/william-dawson/NTPoly)
+![Build Status](https://github.com/william-dawson/NTPoly/workflows/CI/badge.svg)
 
 NTPoly is a massively parallel library for computing the functions of sparse,
 Hermitian matrices based on polynomial expansions. For sufficiently sparse