move Notifier type def to companion object
name changes: Config -> PropertyMap, MetaConfiguration -> PropertyPolicy
rename to PropertyPolicySuite.scala
test for isEmpty
test string properties
numeric type tests
tweak string property testing
default tests
bound checking tests
regex test
interval bounds testing
interval testing with Double
regex and regex from string
custom pipe tests
test pipe that induces type change
test custom notify that re-throws PolicyViolation and also test exception type hierarchy from standard filters