Adding necessary descriptions

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/uwgarp@72 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Cleaning up EWMA function and adding some examples to ross_EWMA in sandbox

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/uwgarp@73 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Updated man files after roxygenizing

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/uwgarp@74 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Conflict resolution

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/uwgarp@75 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
EWMA done

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/uwgarp@76 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Generic

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/uwgarp@77 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Generic

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/uwgarp@78 edb9625f-4e0d-4859-8d74-9fd3b1da38cb