Revert "Borrowed some project infrastructure from TerraNova's buildout repo"

This reverts commit 46365cfd601712ffe7ec7385ded410790289a2a6.
Revert "Move buildout configs to configs/" because it breaks CI environment

This reverts commit 50b47794a93cfbce56479130b5a364c7294661be.
update org.bccvl.site, compute and theme