Doc update v1.2.1

Updated Cantera links within the user's manual to include current github repo.

Author: chapman178

Trunk/Install_TMATS.m

@@ -3,8 +3,8 @@ function Install_TMATS()
 
 % TMATSver and date must remain in the listed form for the ver command to work
 % properly.
-TMATSver = '1.2.0';
-TMATSdate = 'Nov-30-2017';
+TMATSver = '1.2.1';
+TMATSdate = 'Mar-16-2018';
 
 error = 0;
 TMATSInstallmsg = 'Install T-MATS matlab toolbox? Note: Installation will add MATLAB paths and generate MEX files.';