.seq file conversion for Pulseq on GE interpreter v2.0.1-alpha

Support physio1 trigger and 'extended trapezoid' rf (#12)

* Added rf type 2 (writeceq.m)
On branch tv7_dev
	modified:   main.m
	modified:   seq2ceq.m
	modified:   writeceq.m

* Don't write Emax.val (not used)
On branch tv7_dev
	modified:   writeceq.m

* Add physio trigger
On branch tv7_dev
	modified:   getdynamics.m
	modified:   seq2ceq.m

---------

Co-authored-by: Jon-Fredrik Nielsen <[email protected]>