libnfc: Update to version 1.7.0

Update libnfc to version 1.7.0.

https://libnfc.googlecode.com/files/libnfc-1.7.0.tar.bz2 needs to be added
to http://downloads.openwrt.org/sources/

Signed-off-by: JiapengLi <gapleehit@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@38414 3c298f89-4303-0410-b956-a3cf2f4a3e73
libgphoto2 depends on libusb-compat, not libusb-1.0

Signed-off-by: Bruno Randolf <br1@einfach.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@38415 3c298f89-4303-0410-b956-a3cf2f4a3e73
ddns-scripts: add init script

Signed-off-by: Bruno Randolf <br1@einfach.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@38416 3c298f89-4303-0410-b956-a3cf2f4a3e73
pptpd: remove IP in options.pptp

ppp has obsoleted this option (as of v2.4.3-7) according to
http://wiki.openwrt.org/doc/howto/vpn.server.pptpd

Signed-off-by: Bruno Randolf <br1@einfach.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@38417 3c298f89-4303-0410-b956-a3cf2f4a3e73