Update .travis.yml

Author: AAlon

.travis.yml

@@ -1,3 +1,27 @@
+sudo: required 
+language: generic 
+compiler:
+  - gcc
+notifications:
+  email:
+    on_success: change
+    on_failure: always
+    recipients:
+      - ros-contributions@amazon.com
+env:
+  matrix:
+    - ROS_DISTRO="kinetic" ROS_REPOSITORY_PATH=http://packages.ros.org/ros/ubuntu
+    - ROS_DISTRO="kinetic" ROS_REPOSITORY_PATH=http://packages.ros.org/ros-shadow-fixed/ubuntu
+    - ROS_DISTRO="lunar"   ROS_REPOSITORY_PATH=http://packages.ros.org/ros/ubuntu
+    - ROS_DISTRO="lunar"   ROS_REPOSITORY_PATH=http://packages.ros.org/ros-shadow-fixed/ubuntu
+    - ROS_DISTRO="melodic" ROS_REPOSITORY_PATH=http://packages.ros.org/ros/ubuntu
+    - ROS_DISTRO="melodic" ROS_REPOSITORY_PATH=http://packages.ros.org/ros-shadow-fixed/ubuntu
+matrix:
+  allow_failures:
+    - env: ROS_DISTRO="lunar"   ROS_REPOSITORY_PATH=http://packages.ros.org/ros/ubuntu
+    - env: ROS_DISTRO="lunar"   ROS_REPOSITORY_PATH=http://packages.ros.org/ros-shadow-fixed/ubuntu
+    - env: ROS_DISTRO="melodic" ROS_REPOSITORY_PATH=http://packages.ros.org/ros/ubuntu
+    - env: ROS_DISTRO="melodic" ROS_REPOSITORY_PATH=http://packages.ros.org/ros-shadow-fixed/ubuntu
 install:
   - git clone https://github.com/ros-industrial/industrial_ci.git .ros_ci
 script: