Refactored conditions logic to include updated_at
Refactored conditions logic to include updated_at

Conflicts:
	lib/awesome_nested_set/move.rb

oesgalha/awesome_nested_set,petergoldstein/awesome_nested_set,sximba/rational_nested_set,sximba/rational_nested_set,marutosi/awesome_nested_set,collectiveidea/awesome_nested_set,experteer/awesome_nested_set,tcjuan/awesome_nested_set,markmercedes/awesome_nested_set,rbo7nik/awesome_nested_set