RESTEASY-999 test case to simulate a problem with arbitrary binding order

ConversionTestResource uses Intarray as query parameter. Intarray does not have a public constructor with String parameter nor valueOf(String) method to generate an instance from a String. IntarrayConverterProvider provides a ParamConverter that can perform the conversion from String to Intarray.
RESTEASY-999 defer registration of resource factories until after all providers have been registered