Attempt to update .travis.yml in a way the build passes

.travis.yml

@@ -189,7 +189,18 @@ matrix:
 install:
   - cd ~
   - git clone --depth=1 --branch=$OF_BRANCH https://github.com/openframeworks/openFrameworks
-  - cd openFrameworks
+  - cd ~/openFrameworks/addons
+  - git clone --depth=1 https://github.com/kr15h/ofxJSON.git
+  - cd ~/openFrameworks/addons/ofxPiMapper
+  - mv example_basic/addons.make.norpi example_basic/addons.make
+  - mv example_camera/addons.make.norpi example_camera/addons.make
+  - mv example_fbo-sources/addons.make.norpi example_fbo-sources/addons.make
+  - mv example_gamepad/addons.make.norpi example_gamepad/addons.make
+  - mv example_pocketvj/addons.make.norpi example_pocketvj/addons.make
+  - mv example_remote-client/addons.make.norpi example_remote-client/addons.make
+  - mv example_remote-server/addons.make.norpi example_remote-server/addons.make
+  - mv example_simpler/addons.make.norpi example_simpler/addons.make
+  - cd ~/openFrameworks
   - scripts/ci/addons/install.sh
 
 script: