Tensor

- Fixes attribute issue
- Add device and interface filters to basic sources
- Adds fail-over support to Riemann TCP outputs

- Adds Docker stats source
- Adds attributes for metrics

- Improve some Elasticsearch stats
- Fix documentation for a few sources
- Add lm-sensors and SMART sources

- Output module for writing logs to Elasticsearch
- Source module for monitoring Elasticsearch
- Source module for Nginx logs which routes out to Elasticsearch
- Source module for HAProxy
- Source module for Memcache
- Source module for UWSGI emperor.
- Source module for PostgreSQL (requires psycopg2)
- Revamped ping source, uses a pure Twisted ICMP implementation rather than forking to `ping`.
- Adds /var/lib/tensor to the Python path by default, user source plugins can go there now.
- Tags are now configurable per source
- Fixes DiskIO source module
- Fixes for RabbitMQ
- Fixes to output queue prevent possible depletion
- Fix Apache log format for float types
- Remove default TTL based metric expiry (slow, and probably not wanted)
- Add configurable maximum queue size to prevent runaway memory usage
- Fixes to improve counter aggregation resets

- Improved aggregation performance
- Add support for custom routing from sources to outputs

- Adds support for TLS to RiemannTCP Output.
- Redis queue source module
- Riemann source module - provides a Riemann server to proxy other Riemann clients through Tensor
- Function generator source
- Major improvement in trigger performance. Ensures trigger regexes are only scanned for the source they're attached to
- Makes back-filling entire log file histories optional, and not the default
- HTTP check handles failure better
- Improved utils library functions for HTTP requests in sources
- Improved DiskFree source returns actual kB value metrics not just percentage