update .emacs for emacs24;add ~/.emacs.d/
Revert "update .emacs for emacs24;add ~/.emacs.d/"

This reverts commit a3ac8616196923b7850f92b9cf406d7eb0900cd0.
Revert "Revert "update .emacs for emacs24;add ~/.emacs.d/""

This reverts commit 80f5c363a7e1db8ab30f24338edb48500b472c2b.
update .emacs for emacs24;remove garbage files;add ~/.emacs.d/