Better check for verifying that the _percolator type is removed
Included only runtime dependencies when copying

This makes sure, that no test dependencies are placed in the distribution
add 0.90.4
Added support for readable_format parameter when printing out time and size values

The following are the API affected by this change and support now the readable_format flag (default false when not specified):
- indices segments
- indices stats
- indices status
- cluster nodes stats
- cluster nodes info

Closes #3432