update iterators to use streaming and implement AutoClosable
update source/target JDK version to 1.7
Merge branch 'master' of github.com:kazukidb/kazuki
update Key API to use faster obfuscation
update Key to be interface instead of concrete class, break out KeyImpl and ResolvedKey for data store providers to use
[maven-release-plugin] prepare release kazuki-db-0.0.16
[maven-release-plugin] prepare for next development iteration
small tweaks to Key and KVStore apis to make integration easier
[maven-release-plugin] prepare release kazuki-db-0.0.17
[maven-release-plugin] prepare for next development iteration
update guava dep
[maven-release-plugin] prepare release kazuki-db-0.0.18
[maven-release-plugin] prepare for next development iteration
remove usage of guava HashCode
[maven-release-plugin] prepare release kazuki-db-0.0.19
[maven-release-plugin] prepare for next development iteration