remove FilesetVersionInfo
add version info map to jobs
remove FilesetVersionInfo from graph traversal
fix Blitz to use new version info map

adds more Java version information
new patch version and schema
add upgrade scripts
correct destination patch level coming from 5.0

(thank you @sbesson)
rearrange 5.1 intra-patch upgrade scripts
have extended metadata note new string map properties
add SQL for deleting map property entries
before deleting an entity, delete its map property entries
add note of which classes had subclasses with map properties
avoid object retrieval when there is no map property
Merge remote-tracking branch 'remotes/origin/develop' into HEAD
adjust version information in integration test
update DeleteStep copyright header

thanks @bpindelski (-:
Merge pull request #2301 from mtbc/trac-12193-fileset-versioninfo-map

fix #12193: replace FilesetVersionInfo with map property on Fileset