HV-878 Integrating Optional and JavaFX types
HV-878 Extracting shared method for finding out whether a given class is present on the classpath or not
HV-878 Extracting common base class for unwrappers using ClassMate

* Also using shared instance of TypeResolver
* Moving unwrappers to "internal" package
HV-878 Doc update
HV-853 Adding Adam to copyright.txt
HV-876 Renaming NonElMessageInterpolator to ParameterMessageInterpolator and adding ParameterMessageInterpolatorTest
HV-908 character encoding error

"\u65f6\u95f4" means "event" in Chinese. It should be "\u65F6\u95F4" which means "date" in Chinese, like "javax.validation.constraints.Future.message".
HV-901 Changing ModUtil to return values in the range of 0 to 9 in case of mod 10
 HV-906 Exposing ignoreNonDigitCharacters attribute of Luhncheck via @OverridesAttribute
HV-902 Validating properties of Iterable and Map subclasses when performing cascaded validation
HV-902 Adding fail-fast return; Splitting up test
HV-902 Fixing comment
HV-912 Removing methods from ReflectionHelper which make privileged operations publicly accessible
HV-912 Adding doPrivileged() block around ClassLoader#loadResource() call
HV-912 Wrapping invocation of ClassMate method into privileged action
HV-912 Wrapping call to SchemaFactory#newSchema() into privileged action
HV-912 Wrapping call to JAXBContext#newInstance() and Unmarshaller#unmarshal() into privileged actions
HV-912 Reducing accessibility of some classes and methods
HV-912 Not exposing accessible-made members
HV-916 Disabling unstable test