allow inline representers to inherit property definitions
Decorator.superclass_for_inline_representer for better control over inline representer creation
Merge branch 'inherited-property' of https://github.com/scharfie/representable into inherit

Conflicts:
	lib/representable/decorator.rb
implement inherit: for properties.
more tests and stuff.
implement :inherit.
remove test that became redundant.
cleanup ::property with inheritance.
remove inherit code from Config.
remove comment, i found out what was wrong.
Merge branch 'inherit'