Renamed lmAMMData to AMMData.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@273 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Renamed mmData to MMData.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@274 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Renamed nifty.index data.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventstudies@275 edb9625f-4e0d-4859-8d74-9fd3b1da38cb