CXF-5041 Added netty http transport for CXF

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1486823 13f79535-47bb-0310-9956-ffa450edef68
CXF-5041 moved the netty dependencies into parent pom

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1486824 13f79535-47bb-0310-9956-ffa450edef68