Use RELEASE_QUAL_JOB as a parameter for github.
Use RELEASE_QUAL_JOB as a parameter for github.

Change-Id: Ief60f15bb2df858e1468d774b5588855cfc00bd6

cloudendpoints/esp,cloudendpoints/esp,cloudendpoints/esp,cloudendpoints/esp,cloudendpoints/esp,cloudendpoints/esp,cloudendpoints/esp,cloudendpoints/esp