move GZipFilter and WebUtil to scm-core

scm-core/src/main/java/sonia/scm/filter/GZipFilter.java

@@ -50,6 +50,7 @@ import javax.servlet.http.HttpServletResponse;
 /**
  *
  * @author Sebastian Sdorra
+ * @since 1.15
  */
 @Singleton
 public class GZipFilter extends HttpFilter

scm-core/src/main/java/sonia/scm/filter/GZipResponseStream.java

@@ -50,6 +50,7 @@ import javax.servlet.http.HttpServletResponse;
 /**
  *
  * @author Sebastian Sdorra
+ * @since 1.15
  */
 public class GZipResponseStream extends ServletOutputStream
 {

scm-core/src/main/java/sonia/scm/filter/GZipResponseWrapper.java

@@ -50,6 +50,7 @@ import javax.servlet.http.HttpServletResponseWrapper;
 /**
  *
  * @author Sebastian Sdorra
+ * @since 1.15
  */
 public class GZipResponseWrapper extends HttpServletResponseWrapper
 {

scm-core/src/main/java/sonia/scm/util/WebUtil.java

@@ -54,6 +54,7 @@ import javax.servlet.http.HttpServletResponse;
 /**
  *
  * @author Sebastian Sdorra
+ * @since 1.15
  */
 public class WebUtil
 {