First push of a fully new vignette.



git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@321 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Modified NAMESPACE to include ees functionality; minor modifcation in naming of ees functions

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@322 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Updated object.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@323 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Added text on augmented market model event study.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@324 edb9625f-4e0d-4859-8d74-9fd3b1da38cb