Return of the sampler

Basically a dependency refresh release

Ultimate fix rotation for ES6.x

v0.6.4

prepare for 0.6.4

Really fix rotation for ES6.x

v0.6.3

prepare for 0.6.3

Fix rotation/purge for ES6.x

v0.6.2

bump version to 0.6.2

Move to qbits/spandex

Moving away from elastisch in favour of spandex.
The new library is more robust against ES API changes and uses REST only.
Also, it allows us to connect to multiple nodes.

Elasticsearch 5.x support

• adds elasticsearch 5.x compatibility
• bump dep versions to match riemann 0.2.13

v0.3.5

This release fixes an important bug that caused low frequency metrics to expire, thus never making it to higher frequency indices.

v0.3.4

prepare for v0.3.4