use ros2ci and update workspace.repos to add only ros2_control (#5)

Signed-off-by: Mikael Arguedas <mikael.arguedas@gmail.com>

.travis.yml

@@ -1,7 +1,17 @@
-sudo: required
-
 services:
   - docker
 
-script:
-  - docker build travis/. --no-cache
+install:
+  - git clone --quiet --depth 1 https://github.com/mikaelarguedas/ros2ci.git .ros2ci
+  - cp travis/workspace.repos .ros2ci/additional_repos.repos
+
+matrix:
+  include:
+    - env: JOB_TYPE=crystal
+      script: .ros2ci/travis.bash $JOB_TYPE
+    # Uncomment the following to test against ROS 2 Dashing
+    # - env: JOB_TYPE=dashing
+    #   script: .ros2ci/travis.bash $JOB_TYPE
+    # Uncomment the following to test against ROS 2 nightly build
+    # - env: JOB_TYPE=nightly
+    #   script: .ros2ci/travis.bash $JOB_TYPE

travis/workspace.repos

@@ -3,7 +3,3 @@ repositories:
     type: git
     url: https://github.com/ros-controls/ros2_control.git
     version: crystal
-  ros-controls/ros2_controllers:
-    type: git
-    url: https://github.com/ros-controls/ros2_controllers.git
-    version: crystal