EDELIVERY-3035 Update license to EUPL v1.2

smp-webapp/src/main/webapp/WEB-INF/weblogic.xml

smp-webapp/src/main/webapp/web/index.html

...c/cipa/smp/server/security/SecurityConfigurationTest.java

.../eu/europa/ec/cipa/smp/server/security/SignatureUtil.java

...a/ec/cipa/smp/server/security/SignatureValidatorTest.java

.../smp/server/security/UsernameReturningTestController.java

...u/europa/ec/cipa/smp/server/security/X509KeySelector.java

.../eu/europa/ec/cipa/smp/server/util/DefaultHttpHeader.java

...java/eu/europa/ec/edelivery/smp/ServiceGroupBodyUtil.java

...opa/ec/edelivery/smp/config/SpringSecurityTestConfig.java

...edelivery/smp/controllers/ServiceGroupControllerTest.java

...ropa/ec/edelivery/smp/error/ErrorResponseBuilderTest.java

...c/edelivery/smp/validation/ServiceGroupValidatorTest.java

smp-webapp/src/test/resources/config.properties

...expected_output/PUT_ServiceMetadata_request_not_valid.xml

...ut/SignedServiceMetadata_invalid_customized_signature.xml

...utput/SignedServiceMetadata_invalid_default_signature.xml

smp-webapp/src/test/resources/input/ServiceMetadata.xml

...esources/input/SignedServiceMetadata_withoutSignature.xml

...ebapp/src/test/resources/spring-security-test-context.xml