LUCENE-5540: Update forbidden-apis, pegdown, groovy

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1579399 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4072: add ICUNormalizer2CharFilter

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1579488 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4072: add factory

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1579498 13f79535-47bb-0310-9956-ffa450edef68
allow both a filter and a filter list to be set on a responsebuilder
test QueryComponent with no filters, with just a filter, with a filter list, and with the new functionality of both filter and filterlist
Merge remote-tracking branch 'upstream/trunk' into solr2052