- Also renamed "frequency" column to "interval", can be used for all sensors

- Added override qualifier to nextReadingTime() in IPMISensorGroup
- Re-added mariadb to list of dependencies

- Data is correctly parsed from DCDBPusher, sent as JSON, and received
by collectagents
- Integration in libdcdb is still pending

SMUCNGPerf Operator: implementing memory bandwidth. PerSystSql Operator: fixing issue with one unit not being present, and no calculation was done.

- Now is header-only to make SensorBase happy

- Implementation has been split into a SensorMetadata class and a
MetadataStore one to simplify integration in DCDBPusher and Collect Agent

Merge branch 'development' of https://gitlab.lrz.de/dcdb/dcdb into development

- When building the SensorNavigator, trailing whitespace must be
stripped from the sensor names if they were shorter than 16 characters

- Reflects new hierarchical design
- Updated job_aggregator example configuration

- This is meant as a proof of concept of how the new flat/hierarchical
unit system can be configured to obtain different results
- Output sensors in sub-units contain the respective query counter, whereas
the top-level unit's output sensor contains a global query counter

- Hierarchical units are now supported across the framework in all plugins

- The configurator now accounts for hierarchical units
- Added checks in existing plugins to enforce flat/hierarchical units
- DISCLAIMER: this has likely broken the framework until I refactor OperatorTemplate

- Added generateFromTemplate method
- Fixed handling of special cases (on-demand and root units)
- Added enforceTopics option to force a MQTT prefix for unit outputs
- printConfig in UnitTemplate now accounts for hierarchical units
- Updated README

- Streamlined the public interface
- Added methods for single and multiple unit generation (plain and hierarchical)
- Added methods to automatically tell whether to build plain or hierarchical units
- Added pointer to parent in UnitTemplate
- Added methods to distinguish top and subunits in UnitTemplate

Adding all metrics to the configuration. Please NOTE: This invalidates the previous configuration files. The names for each metric have changed and are now standard to the type Metric_t in SMUCSensorBase.

-discard event-triggered snapshots. They are currently of no use for us
-increase log level of frequent but boring log messages
-extend patch to get rid of missing service warning

- Now throws invalid_argument instead of domain_error

- Now actually performs inserts into the Cassandra DB
- Supports insertion of parameters both from command line and env

- Removing -j option from tools Makefile as it conflicted with the
global one
- Adding grafanaserver executable to gitignore