Remove Travis as CI (#128)

* Remove Travis CI

* Move CI YAML to subfolder

* Delete CI YAML in root

* Merge recent changes to build in release

Author: tomkerkhove

azure-pipelines.yml renamed to .azure-devops/ci.yaml

@@ -53,4 +53,4 @@ jobs:
     inputs:
       command: test
       projects: maturity-level-two/tests/Codit.IntegrationTest/Codit.IntegrationTest.csproj
-      arguments: '--configuration release'
+      arguments: '--configuration release'