Use new CMake Python discovery, with matching Boost::Python abi. CMake has a new Python discovery module, that can also export major/minor version numbers. Switch to using it.
Boost, has also moved on to standard pythonXY abi component name across all distributions/OS, thus use matching version ABI.
If one wants to compile against much older Boost, I guess we could add fallback to search for Boost python3 component, but IMHO this should not be necessory.
Remove bugged lemon parser See https://github.com/mkeeter/antimony/issues/196 for more info. . antimony (0.9.3) testing; urgency=low . * Initial packaging. Based on Peter Felecan <peter@felecan.org> package work from upstream repository. (Closes: #907435)