Travis initial import. (Testing docker) (#1)

* Travis initial import. (Testing docker)
* Login using credentials set in Travis.
* Build all supported releases.

Author: Martin Kjellstrand

.travis.yml

@@ -0,0 +1,17 @@
+sudo: required
+
+services:
+  - docker
+
+before_install:
+   - if [[ "${TRAVIS_BRANCH}" == "master" ]] ; then
+       docker login -u $DOCKER_USERNAME -p $DOCKER_PASSWORD ;
+     fi
+     
+script:
+   - for DIST in lenny etch squeeze ; do 
+       make DEBIAN_VERSION=${DIST} && 
+       if [[ "${TRAVIS_BRANCH}" == "master" ]] ; then
+         make DEBIAN_VERSION=${DIST} push ;
+       fi
+     done

Makefile

@@ -9,5 +9,5 @@ test:
 	shellcheck -s ksh ./build-archived-debian-image.sh
 	docker run $(DOCKER_NAME):$(DEBIAN_VERSION) -c 'echo `cat /etc/os-version.txt` ok'
 
-push:
+push: test
 	docker push $(DOCKER_NAME):$(DEBIAN_VERSION)