Fixes for building the projects in the old cmake configuration
- correct passing of the environment
- collecting the build logs
- addition of
/cvmfs/lhcb.cern.ch/lib/bin/x86_64-centos7:/cvmfs/lhcb.cern.ch/lib/bin/Linux-x86_64:/cvmfs/lhcb.cern.ch/lib/bin
toPATH
- allowing to find
HOST_BINARY_TAG_COMMAND
incmake