Prepare Makefile for easier release of Check_MK versions
Release: add make mrproper
Improved private Makefiles for easier release
Improved private Makefiles for easier release
Improved private Makefiles for easier release
Improved private Makefiles for easier release
Improved private Makefiles for easier release
Further step for automating release
Set git tag after release automatically
Release: move old versions to archive
Fix syntax error in Makefile
Fix cleanup in Makefile