The code in useradd-staticids is generally useful for user addition
functionality but is not reusable in its current form. Refactor the
code into a set of library functions.
(From OE-Core rev: a638ef304b1f1acb4c88f4f90b1ef22526cb8d2f)
Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
