Kotori

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- Fix Grafana dashboard builder for vendor :ref:`vendor-hiveeyes`

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- Data export: Fix addressing with relative timestamp, e.g. /data.txt?from=now-30d
as well as proper handling of ``include`` and ``exclude`` url parameters

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- Get rid of ``/bus/mqtt`` in URI for HTTP API
- Delegate MQTT message processing to separate thread
- Run ``CREATE DATABASE`` only once to improve performance
- Accept timestamp field ``time`` from sensor readings
- Improve HTTP ingress channel performance, use appropriate worker threading
- Add data acquisition channel using CSV over HTTP for single and bulk readings
- Make CSV import format compatible with data from Open Hive and Beelogger. Cheers Clemens and Markus!
- Grafana Dashboard builder subsystem

- Improve robustness
- Add new fields to existing panels on demand. Thanks, Smilie!
- Improve panel generator for vendor :ref:`vendor-hiveeyes`

- Refactor data transformation machinery subsystems
- Add API endpoints and routing for creating timeseries annotations
- Start introducing :ref:`MQTT content type signalling <hiveeyes:topology-spec-0.2>`
- Drop support for InfluxDB 0.8
- Verify compatibility against InfluxDB 1.1.1, see also:

- https://archive.docs.influxdata.com/influxdb/v1.1/administration/differences/
- https://github.com/influxdata/influxdb/blob/v1.8.10/CHANGELOG.md#v111-2016-12-06

- Verify compatibility against Grafana 4.1.1, see also:

- https://grafana.com/blog/2016/12/12/grafana-4.0-stable-release/
- https://web.archive.org/web/20190331043137/http://docs.grafana.org/guides/whats-new-in-v4/
- https://web.archive.org/web/20190331043137/http://docs.grafana.org/guides/whats-new-in-v4-1/
- https://github.com/grafana/grafana/blob/v4.6.5/CHANGELOG.md#411-2017-01-11

- Add ``mongod`` as Debian package dependency, required for CSV acquisition support

- Improve documentation
- Improve logging

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- Fix Debian package re. superfluous ``local`` folder containing a redundant Python virtualenv. Thanks Smilie!
- Fix receiving discrete measurements via MQTT. Thanks Karsten and Clemens!
- Update Git repository url for hacking on Kotori
- Improve documentation

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- Documentation updates, add system diagrams to vendor :ref:`vendor-hiveeyes`
- Export csv and json data with ISO format timestamps to satisfy dygraphs rendering in Firefox
- Don't add "pad=true" or "backfill=true" when "interpolate=true" parameter was obtained from URL
- Improve robustness of http api parameter evaluation and passing
- Improve Vega asset loading: Use https resources, better safe than sorry
- Add export format ".tsv" (text/tab-separated-values)

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- Update documentation
- Rebuild without having "ggplot" installed on the build host