Update xnp2 to 20140607.  (leaf package update)

Upstream changes (no English changelog):

20140607:
X11 dependent part:
  Change filenames of config file and status files for xnp21 binary
  built by --enable-build-all:
  - config files
    $(HOME)/.np2/np21rc
  - status files
    $(HOME)/.np2/sav/np21.sav
    $(HOME)/.np2/sav/np21.s00 etc.

(tsutsui)