Enable the official Gitlab - Sonarqube integration

See https://sonarqube.inria.fr/pages/documentation.html#3

.gitlab/analysis.sh

@@ -39,12 +39,14 @@ rats -w 3 --xml  `cat filelist.txt` > hqr-rats.xml
 cat > sonar-project.properties << EOF
 sonar.host.url=https://sonarqube.inria.fr/sonarqube
 
+sonar.projectKey=solverstack_hqr_AZJSz1v4sbMNg1jXgm3B
+sonar.qualitygate.wait=true
+
 sonar.links.homepage=$CI_PROJECT_URL
 sonar.links.scm=$CI_REPOSITORY_URL
 sonar.links.ci=$CI_PROJECT_URL/pipelines
 sonar.links.issue=$CI_PROJECT_URL/issues
 
-sonar.projectKey=${CI_PROJECT_NAMESPACE}:${CI_PROJECT_NAME}
 sonar.projectDescription=Library for hierarchical QR/LQ reduction trees
 sonar.projectVersion=0.1
 
@@ -69,4 +71,4 @@ sonar.cxx.rats.reportPaths=hqr-rats.xml
 EOF
 
 # run sonar analysis + publish on sonarqube
-sonar-scanner -X -Dsonar.login=$SONARQUBE_LOGIN > sonar.log
+sonar-scanner -X > sonar.log