CXF-4914 implemented empty responsebuilder methods

allow(..)
allow(Set)
encoding()
entity(Object, Annotation[])
replaceAll()
variants(..)

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1460724 13f79535-47bb-0310-9956-ffa450edef68
Keep checkstyle happy by not "hiding" fields

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1460725 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'jaxrs-linkbuilder-reset' of https://github.com/stain/cxf into trunk

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1460735 13f79535-47bb-0310-9956-ffa450edef68