Consider to unify license header

./resteasy-core/src/main/java/org/jboss/resteasy/util/PortProvider.java./security/resteasy-crypto/src/main/java/org/jboss/resteasy/security/SigningAlgorithm.java
./providers/resteasy-atom/src/main/java/org/jboss/resteasy/plugins/providers/atom/app/BooleanAdapter.java
./providers/resteasy-atom/src/main/java/org/jboss/resteasy/plugins/providers/atom/app/AppWorkspace.java
./providers/resteasy-atom/src/main/java/org/jboss/resteasy/plugins/providers/atom/app/package-info.java
./providers/resteasy-atom/src/main/java/org/jboss/resteasy/plugins/providers/atom/app/AppCollection.java
./providers/resteasy-atom/src/main/java/org/jboss/resteasy/plugins/providers/atom/app/AppCategories.java
./providers/resteasy-atom/src/main/java/org/jboss/resteasy/plugins/providers/atom/app/AppService.java
./providers/resteasy-atom/src/main/java/org/jboss/resteasy/plugins/providers/atom/app/AppCommonAttributes.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/response/ResponseStreamPrematurelyClosedTest.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/response/HeadContentLengthTest.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/response/resource/SimpleResource.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/client/ClientTestBase.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelVersionNumber.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelNote.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelArchived.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelFormat.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelState.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelCreated.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelUuid.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelCheckinComment.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelCategories.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/providers/atom/resource/AtomComplexModelDisabled.java
./testsuite/integration-tests/src/test/java/org/jboss/resteasy/test/validation/ValidationThroughRestTest.java
./testsuite/arquillian-utils/src/main/java/org/jboss/resteasy/extension/systemproperties/container/SystemPropertiesLoader.java
./testsuite/arquillian-utils/src/main/java/org/jboss/resteasy/extension/systemproperties/container/SystemPropertiesRemoteExtension.java
./testsuite/arquillian-utils/src/main/java/org/jboss/resteasy/extension/systemproperties/client/ArchiveProcessor.java
./testsuite/arquillian-utils/src/main/java/org/jboss/resteasy/extension/systemproperties/client/SystemPropertiesExtension.java
./testsuite/arquillian-utils/src/main/java/org/jboss/resteasy/extension/systemproperties/client/ArchiveAppender.java
./testsuite/arquillian-utils/src/main/java/org/jboss/resteasy/extension/systemproperties/SystemProperties.java
./resteasy-cdi/src/main/java/org/jboss/resteasy/cdi/CdiPropertyInjector.java