Introduce make file for running commands

This should make commands shorter, better readable and less error prone.

.travis.yml

@@ -4,12 +4,11 @@ services:
   - docker
 
 install:
-  - docker-compose -f docker/docker-compose.yml pull
-  - travis_wait docker-compose -f docker/docker-compose.yml up -d
+  - make run-detached
 
 script:
   - sleep 200
-  - docker-compose -f docker/docker-compose.yml exec testcenter-frontend ng test --watch=false
+  - make test-units
 
 after-script:
-  - docker-compose -f docker/docker-compose.yml down
+  - make stop

Makefile

+run:
+	docker-compose -f docker/docker-compose.yml up
+
+run-detached:
+	docker-compose -f docker/docker-compose.yml up -d
+
+stop:
+	docker-compose -f docker/docker-compose.yml stop
+
+down:
+	docker-compose -f docker/docker-compose.yml down
+
+test: run-detached test-units test-e2e stop
+
+test-units:
+	docker-compose -f docker/docker-compose.yml exec testcenter-frontend-dev ng test --watch=false
+
+test-e2e:
+	docker-compose -f docker/docker-compose.yml exec testcenter-frontend-dev ng e2e --webdriver-update=false --port 4202