[build2-announce] build2 0.16.0 released

[Boris Kolpackov]

We have patched the build2-install-0.16.0.sh script to detect and
diagnose ccache presence that is common on Fedora installations (for
background, see[1]).

The new SHA256 checksum:

4d2babfaff6d0412e0ab61a3d3c68a87de54c0779254d62f4569b44a56c6ea08 *build2-install-0.16.0.sh


[1] https://github.com/build2/build2/issues/300