removes superfluous intro from readme
version bump
adds convenience method for trait addition & extension in a single step
adds Documented trait
fixes annotation in Documented trait
removes Documented trait (to be moved to sntls)
adds custom property descriptor getter to Properties
adds universal property names getter and improves trait addition by allowing all methods to be applied
removes trait validation, adds trait integration tests
restricts trait properties to user-defined ones in case of traits that are troop classes