Renamed and rewrote AMM functions, changed the structure of AMM functions; added new data for AMM examples and separate for eventstudies examples

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@165 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Removing reduntant data sets

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@166 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Adding data which was deleted by mistake; and some minor fixes

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@167 edb9625f-4e0d-4859-8d74-9fd3b1da38cb