LCUENE-5376: add charFilters via analysis factories too; don't need while loop to get to the root cause of the InvocationTargetException (thanks Uwe)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene5376@1559538 13f79535-47bb-0310-9956-ffa450edef68