add registry name as a context to the value
multi context metrics
samples for multi context metrics
handle json arrays
new serialization format
move json related classes to separate folder
wip
fix build & tests - still WIP
rename MetricContext to MetricsContext
fix warn on mono
remove unused public properties from registry
remove context from metric value source, refactor metricscontext to be an interface
start fixing tests - wip
use better readable metric names
provide metric value helpers from TestContext
update nancy metrics tests
improve metric naming for module metrics
re-add tests for nancy module metrics
fix comment
introduce MetricsDataProvider interface to break dependency on MetricContext for reporters