fix IndexCommit.equals to compare version of the commit instead of segments filename, in addition to the Directory
fix IndexCommit.equals to compare version of the commit instead of segments filename, in addition to the Directory

git-svn-id: 4c5078813df38efa56971a28e09a55254294f104@664419 13f79535-47bb-0310-9956-ffa450edef68

tokee/lucene,tokee/lucene,tokee/lucene,tokee/lucene