Merge remote-tracking branch 'origin/f-awi' into f-server-side-scripting

conf/usersources.ini.template

doc/Authentication.md

doc/Datatype.md

doc/Entity.md

doc/FileServer.md

doc/Message.md

doc/Paging.md

doc/Query.md

doc/User_Administration.md

doc/faq.md

pom.xml

src/main/java/caosdb/server/jobs/extension/AWIBoxLoan.java

.../caosdb/server/jobs/extension/AWIBoxLoanCuratorEmail.java

...in/java/caosdb/server/jobs/extension/AWIBoxLoanModel.java

...ver/jobs/extension/AWIBoxLoanRequestLoanCuratorEmail.java

...r/jobs/extension/AWIBoxLoanRequestReturnCuratorEmail.java

...est/java/caosdb/server/jobs/extension/TestAWIBoxLoan.java

update_box_loan_acl.py