meta-tizen: Description:Adding the v4l2grab utility and wpa_cli package.

meta-tizen: Description:Adding the v4l2grab utility and wpa_cli package.
The recipe of v42lgrab is from
'https://github.com/alext-mkrs/meta-alext-edison/tree/master/recipes-addfeatures'.
This utility is used to take a picture via usb camera supported v4l2.
wpa_cli is added to tizen micro image.
nodejs-npm, openssh-sftp-server and userland are removed from tizen
micro image.

Change-Id: Ibe109b4f57809abdd637240916295f604f077498
(From meta-tizen rev:6618e9345341c3f70dbb7f2121b6dddc34d6ac51)
Signed-off-by: wchang kim <wchang.kim@samsung.com>