Merge pull request #440 from dozed/2.4.x

Take Formats bigDecimal setting into account when parsing.
Added project and metrics dependency
Basic wiring for lifecycle
Added MetricsSupport and timer
Added metricsSupport + Timer
Moved (unused) ls to 2.4.0
Metrics and health checks
Fixed metrics
whoops
tweaks
Refactored and added tests
Registries REQURED to be val and singleton
Travis rebuild
Merge pull request #441 from japhar81/2.4.x

Added basic metrics support
Added support for response code filter
Merge pull request #442 from japhar81/2.4.x

Added metrics support for response code filter