Version 2.2.0
In this version:
- Rework of sliced AVL+ trees (BatchAVLProverManifest / BatchAVLProverSubtree)
- Batch Merkle proof implementation
- AuthenticationTreeOps.logError
- Scala, scorex-util, Guava, BouncyCastle dependencies updated
- example app in SparseMarkleTree reworked into tests (#38)
- switch from sbt-git to sbt-dynver
- migration from Travis to GA