Fixes: #3378
* Add stats to cleveldb implementation
* update changelog
* remote TODO
also
- sort keys
- preallocate memory
* fix const initializer []string literal is not a constant
* add test
Why:
original fork is abandoned and not supported anymore.
Changes:
- LevelDB 1.19 (LevelDB and Snappy are both compiled and linked statically, so while you will not need them installed on your target machine, you should have a roughly compatible version of libstdc++.)
- snappy and lz4 libs included by default
