phpmyadmin: 4.4.9 -> 4.5.0.2

Upgrade phpmyadmin from 4.4.9 to 4.5.0.2 and SRC_URI is updated.

Accoring to release note, there is NO API changes for 4.5.0.x serial. So
upgrade to 4.5.0.2 rather than 4.4.15 which will only support for
security fixes only.

And license file has some text update. See:
https://github.com/phpmyadmin/phpmyadmin/commit/9d080a482fae73bde5049620088d4687da245163



Change files owner to fix [host-user-contaminated] warnings.

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>