initial import
renaming identified_test_set_selector to fixed_test_set_selector

Conflicts:
	selection_functions/identified_test_set_selector.m
renaming identified_test_set_selector to fixed_test_set_selector
renaming complement_selector to unlabeled_selector
renaming complement_selector to unlabeled_selector
formatting problem in documentation
alignment problem in documentation
alignment problem in documentation
updating documentation and api
alignment problem in documentation
renaming selection_functions/ to selectors/

Conflicts:
	selectors/meta_selectors/intersection_selector.m
	selectors/meta_selectors/union_selector.m
	selectors/selectors.m
initial import
updating documentation
updating documentation
updating documentation and api
initial import
updating documentation
initial import
adding name of license
adding callback, changing messages, updating documenation