build-test: Remove references to "travis" in build tests

Use "ci-build.sh" "ci-install.sh" and similar, as travis-ci is no
longer being used.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

.github/workflows/build-test.yaml

@@ -14,17 +14,17 @@ jobs:
     - name: Setup cache
       uses: actions/cache@v2
       with:
-        path: travis_cache
+        path: ci_cache
-        key: ${{ runner.os }}-build-${{ hashFiles('scripts/travis-install.sh') }}
+        key: ${{ runner.os }}-build-${{ hashFiles('scripts/ci-install.sh') }}
 
     - name: Prepare tests
-      run: ./scripts/travis-install.sh
+      run: ./scripts/ci-install.sh
 
     - name: Test
-      run: ./scripts/travis-build.sh 2>&1
+      run: ./scripts/ci-build.sh 2>&1
 
     - name: Upload micro-controller data dictionaries
       uses: actions/upload-artifact@v2
       with:
         name: data-dict
-        path: travis_build/dict
+        path: ci_build/dict

scripts/ci-build.sh

@@ -1,18 +1,18 @@
 #!/bin/bash
-# Test script for travis-ci.org continuous integration.
+# Test script for continuous integration.
 
 # Stop script early on any error; check variables
 set -eu
 
-# Paths to tools installed by travis-install.sh
+# Paths to tools installed by ci-install.sh
 MAIN_DIR=${PWD}
-BUILD_DIR=${PWD}/travis_build
+BUILD_DIR=${PWD}/ci_build
 export PATH=${BUILD_DIR}/pru-gcc/bin:${PATH}
 PYTHON=${BUILD_DIR}/python-env/bin/python
 
 
 ######################################################################
-# Travis CI helpers
+# Section grouping output message helpers
 ######################################################################
 
 start_test()

scripts/ci-install.sh

@@ -1,13 +1,13 @@
 #!/bin/bash
-# Build setup script for travis-ci.org continuous integration testing.
+# Build setup script for continuous integration testing.
-# See travis-build.sh for the actual test steps.
+# See ci-build.sh for the actual test steps.
 
 # Stop script early on any error; check variables; be verbose
 set -eux
 
 MAIN_DIR=${PWD}
-BUILD_DIR=${PWD}/travis_build
+BUILD_DIR=${PWD}/ci_build
-CACHE_DIR=${PWD}/travis_cache
+CACHE_DIR=${PWD}/ci_cache
 mkdir -p ${BUILD_DIR} ${CACHE_DIR}