prepared travis for the use of postgres in tests
prepared travis for the use of postgres in tests

AlexanderYastrebov/catwatch,marky-mark/catwatch,AlexanderYastrebov/catwatch,marky-mark/catwatch,AlexanderYastrebov/catwatch,marky-mark/catwatch,AlexanderYastrebov/catwatch,marky-mark/catwatch