Allow derived classes of MultiTransport

git-svn-id: https://cantera.googlecode.com/svn/cantera/trunk@2376 02a645c2-efd0-11dd-984d-ab748d24aa7e
[Transport] Avoid unnecessary L-matrix solves

git-svn-id: https://cantera.googlecode.com/svn/cantera/trunk@2377 02a645c2-efd0-11dd-984d-ab748d24aa7e
[SCons] Fix handling of blas_lapack_dir and boost_lib_dir

These need to be added to LIBPATH as entries in a list, otherwise
LIBPATH ends up concatenating the strings for each as a single entry.

git-svn-id: https://cantera.googlecode.com/svn/cantera/trunk@2378 02a645c2-efd0-11dd-984d-ab748d24aa7e