Merge branch 'development' into 'master'

.gitignore

.gitlab-ci.yml

.gitlab/CODEOWNERS

.gitlab/issue_templates/Bug.md

.gitlab/issue_templates/Feature.md

.gitlab/merge_request_templates/Bug.md

.gitlab/merge_request_templates/Feature.md

Contributing.md

Jenkinsfile

README.md

build.gradle

deploy/application.properties

docs/PersistenceStack.png

docs/Queuecontext.png

eclipse-formatter.xml

importorder.txt

pom.xml

src/main/java/nl/tudelft/ewi/queue/DatabaseLoader.java

...java/nl/tudelft/ewi/queue/GlobalMethodSecurityConfig.java

src/main/java/nl/tudelft/ewi/queue/HttpSessionConfig.java