QPID-5480: Recovery of store failure with "JERR_MAP_NOTFOUND: Key not found in map." error message. Fixed numerous recovery issues, particularly the handling of files at the end of the file list during recovery when the last file is not used or incompletely written.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1564877 13f79535-47bb-0310-9956-ffa450edef68