#269: abort plan (via REST)
#261: disable ldap when not specified

- added tests for ldap
#271: can now list and set current model via rest api
#269: added doc for abort execution
#267: added more information about failed jobs in deployment logs
#268: handle unexpected output while setting JAVA_TOOL_OPTIONS enviroment variable
#264: added skipped package to list of artifacts
5.5.2: updated release notes