Merge branch 'release/0.2.0'
Merge branch 'release/0.2.1'
Merge branch 'release/0.3.0'
Merge branch 'release/0.3.1'
Merge branch 'release/0.3.2'
Merge branch 'release/0.4.0'
Merge branch 'release/0.5.0'
Merge branch 'release/0.5.1'
Merge branch 'release/0.5.2'
Merge branch 'release/0.5.3'
Merge branch 'release/0.5.4'
Merge branch 'release/0.6.0'
Merge branch 'release/0.6.1'
Merge branch 'release/0.7.0'
getSpout(transformer, metrics), SchemeSpout extends BaseSpout, for Spout open override & registermetric fix
immutable metricFactory
remove logger
val -> def metricFactory
removing .toList from now immutable metricFactory list
overriding registerMetrics in FlatMappedSchemeSpout, metricFactory->public