updates dependencies
adds Managed.destroy()
adds Progenitor.destroy() and Progenitor.getChildren()
BC: trait initializers renamed in accordance w/ new trait mechanism (troop 0.7)
version bump
removes unnecessary assertions / validations
adds assertions to Lineage
clarifies param in Managed
adds assertions to Progenitor
adds Lineage to gruntfile
adds documentation improvements & example
adds examples to Progenitor documentation