[SCons] Fix generation of ctpath.m

Was failing because of dependency on dynamically-generated 'python_module_loc'
variable.

git-svn-id: https://cantera.googlecode.com/svn/cantera/branches/2.1@2504 02a645c2-efd0-11dd-984d-ab748d24aa7e
[Python] Add support for IdealGasReactor and IdealGasConstPressureReactor

git-svn-id: https://cantera.googlecode.com/svn/cantera/branches/2.1@2505 02a645c2-efd0-11dd-984d-ab748d24aa7e
[Matlab] Add support for additional reactor types

Matlab interface now supports ConstPressureReactor, IdealGasReactor, and
IdealGasConstPressureReactor.

git-svn-id: https://cantera.googlecode.com/svn/cantera/branches/2.1@2506 02a645c2-efd0-11dd-984d-ab748d24aa7e
[Kinetics] Allow negative Troe parameters

git-svn-id: https://cantera.googlecode.com/svn/cantera/branches/2.1@2507 02a645c2-efd0-11dd-984d-ab748d24aa7e