Fixed accidental removal of douille

.travis.yml

@@ -0,0 +1,8 @@
+#sudo: required
+before_install:
+- git clone https://github.com/KiCad/kicad-library-utils /home/travis/build/kicad-library-utils
+- git clone https://github.com/KiCad/kicad-library /home/travis/build/kicad-library-old
+
+script:
+- sudo bash ./library-check.sh $TRAVIS_BUILD_DIR
+ 

library-check.sh

@@ -0,0 +1,11 @@
+error=0
+DATA=()
+for files in library/*.lib; do
+DATA+=($files)
+done
+cd /home/travis/build/kicad-library-utils/schlib
+for file in "${DATA[@]}"; do
+	python3 comparelibs.py --check --new /$1/$file --old /home/travis/build/kicad-library-old/$file
+	error="$(($error+$?))"
+done
+exit $error