--Removed duplicate of registerUser method from the register component so that it only appears in the user service class.
--Fixed register component tests that relied on calling registerUser
--Created new tests for registerUser in the user service test file.
--Removed duplicate of registerUser method from the register component so that it only appears in the user service class. --Fixed register component tests that relied on calling registerUser --Created new tests for registerUser in the user service test file.
closes #194 closes #182