added unit tests for owin metrics adapter
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Src/Metrics.Tests/packages.config
updated fluent assertions version
resolved unit tests failing due to the use static metric class sharing registry between tests
Merge branch 'master' into dev
Merge branch 'dev' of github.com:etishor/Metrics.NET into dev
culture invariant json formatting
Merge branch 'dev'
fix module path matching
add option for health checks to return http 200 even if checks fail.
allow defining a custom name for a local metrics registry
add sample for multi registry metrics
Merge pull request #16 from alhardy/master

Unit tests for owin metrics adapter
Merge branch 'dev'
update json.net
refactor owin adapter configuration
fix caching in IE
use metrics registry instead of static class
update to latest visualization app
fix test (can be improved)