[Cython] Fix treatment of writelogendl()
[Cython] Fix treatment of writelogendl()

Both writelog and writelogendl should be passed through PySys_WriteStdout to
ensure that they are printed in the correct order. Problems with this were
identified in the 1D solver log when using Python 3.

git-svn-id: e76dbe14710aecee1ad27675521492cea2578c83@3417 02a645c2-efd0-11dd-984d-ab748d24aa7e

Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn