Merge pull request #1 from skamaroc/master

mpas atmosphere web page update
Merge pull request #2 from skamaroc/master

MPAS atmosphere web page update
Creating a new release directory.

Modifying versioning scheme in the ocean directories, and creating a
directory for version 0.1 or the current HEAD of master in MPAS-Dev.
Merge pull request #3 from skamaroc/master

mpas atmosphere web page update, DA additions
Updating versioning for ocean core.

First commit to master has to be numbered 0.0.0.

Subsequent commits to master can be numbered 1.0 (i.e. with two
numbers).
Fix links to test cases, update developers guide.

Links to ocean test cases (baroclinic channel) were broken previously.

Updating developers guide to the most recent developers guide.
Updating mailing list link.

Mailing list now points to information hosted on the wiki.
Updating checkout commands.

Fixing svn read-only checkout command, and adding a git http clone
command.
Cleaning up source code instruction page.

Adding more information to help users get started with MPAS.
Updating model page, and adding another tutorial.

Fixing some typos, adding GitHub's fork tutorial, and recommending it as
a starting place.
Modifying the flow to the source code.

Removing code and grid links from navigation bar and embedding them in
the release website.

Also modifying the registration page to recommend subscribing to mailing
lists.
page for atmosphere download
web page mods, addition of atmosphere download page