Refactor Timesag manual test to use new cs.rsa.ts14.standard.TimesagEngine class
Add first shot at top down integration tests
Add mockito library
Added a testcase for testing the error interface
Add test of return value on stage 2
Merge branch 'origin/frederik'

Conflicts:
	ts14/test/cs/rsa/ts14/manual/Timesag.java