Add ConstraintType property sheet to all constraint portal types
Improve code because is not needed call fixConsistency twice

Also, consider the error list when fixit is False only
Base.checkConsistency: s/error_list2/extra_error_list/
runUnitTest script: Don't set duplicated paths on repository list
stop using deprecated aliases of TestCase methods.

see http://docs.python.org/2/library/unittest.html#deprecated-aliases