This commit was manufactured by cvs2svn to create branch
'bbv1_cross_project'.
Per request, add cross-project support to BBv1.
Fix missing path when building from the root of a project.
Fix missing project name subpath for stage target.
Fix project getting reset on subinclude.
Fix stage going to the bin location instead of the project location.
Fix fake target for stage not having plain ungristed name.
** Regression test now run.. but fail to get processed. **
Boost.Log merged to trunk.