Added a description of the build-number scheme to trigger-bes-build.sh
Added a description of the build-number scheme to trigger-bes-build.sh

[skip ci]

OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4