[qa] Replace with openwisp-utils-qa-checks

Author: waleko

.travis.yml

@@ -6,15 +6,8 @@ before_install:
   - sudo ./install-dev.sh
 
 install:
-  - pip install openwisp-utils[qa]>=0.2.1
+  - pip install openwisp-utils[qa]>=0.3.1
 
 script:
+  - openwisp-utils-qa-checks --skip-checkmigrations --skip-isort --skip-flake8
   - ./runtests
-  - |
-    if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
-      # gets commit message of last commit before pull request merge
-      COMMIT_MESSAGE=$(git log $TRAVIS_PULL_REQUEST_SHA --format=%B -n 1)
-      printf "Checking commit message:\n\n"
-      printf "$COMMIT_MESSAGE\n\n"
-      checkcommit --message "$COMMIT_MESSAGE"
-    fi