Update README.md and changelog.txt to prepare for 5.0.0.Alpha7 release
[maven-release-plugin] prepare release 5.0.0.Alpha7
[maven-release-plugin] prepare for next development iteration
HSEARCH-1596 Removal of method LuceneWorksBuilder.addFieldWithBinaryData
HSEARCH-1596 Improve testing helper ConcurrentRunner to decouple number of loops from number of threads
HSEARCH-1596 Delete unused private helper
HSEARCH-1596 Remove references to deprecated Lucene elements from Serialization helpers
HSEARCH-1683 Bundled JBoss Modules being generated for Apache Lucene uses wrong slot name