Merge pull request #25 from marshallward/master

mom-63 and mom-64 commits
Update the project description on the MOM website
Merge pull request #27 from timleslie/master

Update the project description on the MOM website
mom-74 new diagonstics for advective portion of submesoscale parameterization (c/o Griffies)
mom-75 new diagnostics for vertical diffusive flux (c/o Griffies)
mom-76 updates to subduction diagnostics (c/o Griffies)