Replace 2 CA authors in AR3 WGI Ch5 (same last name, different persons)

"A. Ackerman" has a different first name and institution,
"W. Collins" an incompatible first name initial, but the
same institution; it may actually be the same author.
Reorder authors to match order in source document
Replace 2 CA authors in AR3 WGI Ch6 (same last name, different persons)

* "A. Jones" has an incompatible first name initial but the same
  institution, it may actually be the same person;

* "Y. Zhang" has an incompatible first name initial and a different
 institution.