Add Ubuntu 14.04 to TK test matrix
Add Ubuntu 14.04 to TK test matrix

chef/supermarket,chef/supermarket,nellshamrell/supermarket,tas50/supermarket,juliandunn/supermarket,robbkidd/supermarket,tas50/supermarket,robbkidd/supermarket,chef/omnibus-supermarket,nellshamrell/supermarket,tas50/supermarket,juliandunn/supermarket,chef/supermarket,nellshamrell/supermarket,nellshamrell/supermarket,tas50/supermarket,robbkidd/supermarket,chef/supermarket,juliandunn/supermarket,chef/omnibus-supermarket,robbkidd/supermarket,juliandunn/supermarket,chef/omnibus-supermarket,chef/supermarket