Make makefile more targeted by refactoring. Add new multistage dockerfile

Remove separate targets for release.
Replace travis-ci with github-actions

Signed-off-by: Jguer <me@jguer.space>

.github/workflows/docker-ci.yml

@@ -0,0 +1,15 @@
+name: Docker CI build
+# This workflow is triggered on pushes to the repository.
+on: [push, pull_request]
+
+jobs:
+  build:
+    # Job name is Greeting
+    name: Build and test yay
+    # This job runs on Linux
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1#
+      - name: Run Build and tests
+        run: ./testdata/travis.sh