Add percent used to inodes and block.

This makes more sense when graphing a cluster of hosts where size of the
partition varies.

Signed-off-by: Benoit Sigoure <tsunanet@gmail.com>
Allow hbase_regionserver_jmx to work with 0.96 and later

Signed-off-by: Benoit Sigoure <tsunanet@gmail.com>
postgresql.py:
- Map the metric names directly to the column names
- Turn on autocommit on the connection, or the stats wont update,
  as pg_stat_database is only updated at the start of a transcation.
- Fix a bug where only all databsae stats get mapped to the
  last database

Signed-off-by: Vasiliy Kiryanov <vasiliy.kiryanov@gmail.com>
prostats.py: cpu scaling support added.

Signed-off-by: Vasiliy Kiryanov <vasiliy.kiryanov@gmail.com>
smart-stats.py add a check to exit gracefully if no block devices are found.

Signed-off-by: Vasiliy Kiryanov <vasiliy.kiryanov@gmail.com>
elasticsearch.py: ES v1 supported.

Signed-off-by: Vasiliy Kiryanov <vasiliy.kiryanov@gmail.com>