Fix bug #53984 - Support the ColInfoRecord coming after the cells, rather than before as is normal, and also handle things so that if an unsupported BofRecord is found for a sheet, warn and skip rather than breaking

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1614884 13f79535-47bb-0310-9956-ffa450edef68
Fix javadoc warnings

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1614886 13f79535-47bb-0310-9956-ffa450edef68