Emacs:el-get: Defer el-get to make emacs faster

Defer el-get loading for faster emacs load time. Extensive testing is
needed.

Signed-off-by: Ratheesh S <ratheeshreddy@gmail.com>
Emacs: Enable shell-script mode for .*rc$ files

Tested-by: Ratheesh S <ratheeshreddy@gmail.com>
Signed-off-by: Ratheesh S <ratheeshreddy@gmail.com>
Emacs: defer simplenote and smart-forward init

Tested-by: Ratheesh S <ratheeshreddy@gmail.com>
Signed-off-by: Ratheesh S <ratheeshreddy@gmail.com>