Partially complete code for versioning objects in leveldb databases so that the databases can be upgraded by later versions of the software.
Merge branch 'master' of https://github.com/InvictusInnovations/BitShares
Merge branch 'master' of https://github.com/InvictusInnovations/BitShares
Implementing database versioning, including renaming wallet_identity to wallet_identity0 (still need to do similar change for other database record types that will be versionable).
Merge branch 'master' of https://github.com/InvictusInnovations/BitShares
Restore client code to using wallet_identity typename.
Some fixes and testing code for database versioning.
Added database versioning test code in founder_reg_server, as well as some code to update the founder database in several ways via text files.
Merge branch 'master' of https://github.com/InvictusInnovations/BitShares