Merge pull request #13 from darwink/master

Fix the typo in seeding data of ledger metadata
Merge pull request #14 from darwink/master

Fix the missing options in seeding data for ledger metadata
fix test case and add more caches to reference data
machine account bug fix
Merge branch 'master' of https://github.com/Themis-J/Themis
Merge upstream latest code