Finish documenting API calls in rest_api.
Finish documenting API calls in rest_api.

These should still be framed without function names, but the full
interface is described now.

meng-sun/hil,henn/hil,meng-sun/hil,kylehogan/haas,henn/haas,kylehogan/hil,kylehogan/hil,henn/hil_sahil,henn/hil_sahil,CCI-MOC/haas,SahilTikale/haas,henn/hil