Rename to BUILDYARD_DISABLED for consistency
Set flag when bootstrapped (used by BY to only build required)
Merge pull request #184 from eile/master

Set flag when bootstrapped
leveldb finder
Merge pull request #185 from eile/master

leveldb finder
Improvements in CMake package config generation.
Added an input variable to choose the target libraries to exclude from
the exported list.
Fixed extraction of library names from target properties.