Adding pulp rpm plugin in pulp core

Since the tests in
``pulpcore/tests/functional/api/using_plugin/test_multiple_plugins.py``
needs multiple plugins incl. rpm to be installed, this commit adds RPM
installation to pulp core.

.travis/before_install.sh

@@ -4,6 +4,7 @@ set -v
 COMMIT_MSG=$(git show HEAD^2 -s)
 export COMMIT_MSG
 export PULP_FILE_PR_NUMBER=$(echo $COMMIT_MSG | grep -oP 'Required\ PR:\ https\:\/\/github\.com\/pulp\/pulp_file\/pull\/(\d+)' | awk -F'/' '{print $7}')
+export PULP_RPM_PR_NUMBER=$(echo $COMMIT_MSG | grep -oP 'Required\ PR:\ https\:\/\/github\.com\/pulp\/pulp_rpm\/pull\/(\d+)' | awk -F'/' '{print $7}')
 export PULP_SMASH_PR_NUMBER=$(echo $COMMIT_MSG | grep -oP 'Required\ PR:\ https\:\/\/github\.com\/PulpQE\/pulp-smash\/pull\/(\d+)' | awk -F'/' '{print $7}')
 export PULP_PLUGIN_PR_NUMBER=$(echo $COMMIT_MSG | grep -oP 'Required\ PR:\ https\:\/\/github\.com\/pulp\/pulpcore-plugin\/pull\/(\d+)' | awk -F'/' '{print $7}')
 export PULP_ROLES_PR_NUMBER=$(echo $COMMIT_MSG | grep -oP 'Required\ PR:\ https\:\/\/github\.com\/pulp\/ansible-pulp3\/pull\/(\d+)' | awk -F'/' '{print $7}')
@@ -33,6 +34,14 @@ if [ -n "$PULP_FILE_PR_NUMBER" ]; then
   cd ..
 fi
 
+git clone https://github.com/pulp/pulp_rpm.git
+if [ -n "$PULP_RPM_PR_NUMBER" ]; then
+  cd pulp_rpm
+  git fetch origin +refs/pull/$PULP_RPM_PR_NUMBER/merge
+  git checkout FETCH_HEAD
+  cd ..
+fi
+
 if [ -n "$PULP_SMASH_PR_NUMBER" ]; then
   pip uninstall -y pulp-smash
   git clone https://github.com/PulpQE/pulp-smash.git

.travis/playbook.yml

@@ -12,6 +12,9 @@
       pulp-file:
         app_label: "file"
         source_dir: "/home/travis/build/pulp/pulp_file"
+      pulp-rpm:
+        app_label: "rpm"
+        source_dir: "/home/travis/build/pulp/pulp_rpm"
     ansible_python_interpreter: '/opt/pyenv/shims/python3'
     pulp_user: 'travis'
     developer_user: 'travis'

.travis/validate_commit_message.py

@@ -30,10 +30,10 @@ def check_status(issue):
     regex = r'(?:{keywords})[\s:]+#(\d+)'.format(keywords=('|').join(KEYWORDS))
     pattern = re.compile(regex)
 
-    issues = pattern.findall(message)
+    issues = pattern.findall(message, re.IGNORECASE)
 
     if issues:
-        for issue in pattern.findall(message):
+        for issue in pattern.findall(message, re.IGNORECASE):
             check_status(issue)
     else:
         sys.exit("Error: no attached issues found for {sha}. If this was intentional, add "