[Doc] Fix formatting of Doxygen comments for Reaction classes

git-svn-id: https://cantera.googlecode.com/svn/cantera/trunk@3324 02a645c2-efd0-11dd-984d-ab748d24aa7e
[Doc] Add more documentation for class Reaction and its children

git-svn-id: https://cantera.googlecode.com/svn/cantera/trunk@3325 02a645c2-efd0-11dd-984d-ab748d24aa7e
[Transport] Allow CK_Mix and CK_Multi transport models in 1D flames

git-svn-id: https://cantera.googlecode.com/svn/cantera/trunk@3326 02a645c2-efd0-11dd-984d-ab748d24aa7e