The build system is missing configuration templates for Ubuntu 15.04; this PR adds them (based on the 14.04 ones, modulo a package name change for libprotobuf-dev).
For future PRs, please squash related commits: 9dc2243 corrects a mistake in 89d38dc, so could be squashed before pushing; you can do this by git commit --amend or an interactive git rebase with the "squash" action.
The build system is missing configuration templates for Ubuntu 15.04; this PR adds them (based on the 14.04 ones, modulo a package name change for
libprotobuf-dev
).