Add release notes for v3.1.0.
#359 Set missing TEST property value in basis_build_script_library.
#365 Modify Quick Start scrip to use release branch for now.
Add release note for basis_build_script_library bug fix.
#351 Add --bootstrapping option to basis template configuration.
#351 Change BASIS version used for bootstrapping to v3.1.0.
Merge remote-tracking branch 'github/release' into develop