Fix(matlab) update example name example_dae_events->example_calvetti (Closes #866)
Fix(matlab) update example name example_dae_events->example_calvetti (Closes #866)

FFroehlich/AMICI,AMICI-developer/AMICI,FFroehlich/AMICI,AMICI-developer/AMICI,FFroehlich/AMICI,FFroehlich/AMICI,AMICI-developer/AMICI,AMICI-developer/AMICI