Merge branch 'feature/improvements_search' into 'develop'

Dockerfile

build-overlay.bat

build-server.bat

midpoint-scim2-service-overlay/Dockerfile

midpoint-scim2-service-overlay/pom.xml

midpoint-scim2-service-server/Dockerfile

midpoint-scim2-service-server/pom.xml

.../de/daasi/midpoint/scim2/service/model/ExtendedQName.java

.../daasi/midpoint/scim2/service/server/Scim2WebService.java

...m2/service/server/Scim2WebServiceBadRequestException.java

...dpoint/scim2/service/server/Scim2WebServiceException.java

...service/server/Scim2WebServiceInternalErrorException.java

.../service/server/Scim2WebServiceNotSupportedException.java

...im2/service/server/Scim2WebServiceNotUniqueException.java

...ce/server/Scim2WebServiceUnprocessableEntryException.java

...dpoint/scim2/service/server/UnprocessableEntryStatus.java

...cim2/service/server/XMLGregorianCalendarMatchingRule.java

...si/midpoint/scim2/service/utils/ExtendedUserResource.java

...java/de/daasi/midpoint/scim2/service/server/MockTask.java

...si/midpoint/scim2/service/server/Scim2WebServiceTest.java