Emacs:org: Fix initialization error.

There was an max-dep lisp error in the function yas-ac-tab-noconflict
defun.

Disable the org-mode hook to this defun for now.

Tested-by: Ratheesh S <ratheeshreddy@gmail.com>
Signed-off-by: Ratheesh S <ratheeshreddy@gmail.com>
Emacs: re-enable package jump-char package

There was an issue in one of the update to jump-char. Now it is fixed.
Hence re-enabling the package.

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