zeromq: upgrade to 4.1.3

4.1.3 has the dependence on libsodium,
4.1.3 asks pkgconfig bbclass to configure,
add a target to build ptest, since the orignial check will build and run
which is not suitable for cross-compile, and change the ptest installation
directories

Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>