[Doc] Create a group for classes in the "onedim" module

git-svn-id: https://cantera.googlecode.com/svn/cantera/trunk@2393 02a645c2-efd0-11dd-984d-ab748d24aa7e
[Doc] Add Transport classes to the tranprops group

git-svn-id: https://cantera.googlecode.com/svn/cantera/trunk@2394 02a645c2-efd0-11dd-984d-ab748d24aa7e