Add deidentified Osprey PRESS NIfTI-MRS example with water and conversion provenance

lcmodel: Philips PRESS with a defaced T1 for tissue correction (Osprey sdat/UnEdited sub-01, MIT, schorschinho/osprey@98b2e354; T1 defaced with niimath -deface)

lcmodel: Osprey Philips PRESS group example (two subjects, MIT, schorschinho/osprey@98b2e354)

lcmodel: Philips MEGA-PRESS example (Osprey, MIT)

lcmodel: MEGA-PRESS difference basis and Siemens MEGA-PRESS example

lcmodel: add LCModel test control file

lcmodel: FID-A basis sets and MRS examples