Move copy deps to meta config instead of helpers because they need to see targets and check their types. Copy all non static deps from this moment instead of checking CPPAN_BUILD_SHARED_LIBS.
Move copy deps to meta config instead of helpers because they need to see targets and check their types. Copy all non static deps from this moment instead of checking CPPAN_BUILD_SHARED_LIBS.

cppan/cppan,cppan/cppan,cppan/cppan