SOLR-5458: Admin UI - Remove separated Pages for Config & Schema

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1543368 13f79535-47bb-0310-9956-ffa450edef68
Reformatted code according to lucene/solr standards

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1543422 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5464,SOLR-5465,SOLR-5452: Fix CHANGES entries - move to 4.6

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1543450 13f79535-47bb-0310-9956-ffa450edef68