[Deb] Avoid packaging conflicts with ck2cti and ctml_writer

git-svn-id: https://cantera.googlecode.com/svn/cantera/branches/2.1@3029 02a645c2-efd0-11dd-984d-ab748d24aa7e
[Deb] Set install location for Python 3 package

git-svn-id: https://cantera.googlecode.com/svn/cantera/branches/2.1@3030 02a645c2-efd0-11dd-984d-ab748d24aa7e
[Deb] Avoid packaging conflict with mixmaster

git-svn-id: https://cantera.googlecode.com/svn/cantera/branches/2.1@3031 02a645c2-efd0-11dd-984d-ab748d24aa7e