Added .travis.yml to check templates with xlint

.travis.yml

@@ -0,0 +1,16 @@
+language: bash
+
+env:
+    global:
+        - PATH=$PATH:$PWD/xtools
+
+before_script:
+    - git clone git://github.com/chneukirchen/xtools.git xtools
+
+script:
+    - git diff --name-status "$TRAVIS_COMMIT_RANGE" > __changed_files
+    - grep "^[AM].*srcpkgs/[^/]*/template$" __changed_files | awk '{print $2}' | tee __changed_templates
+    - xlint `cat __changed_templates`
+
+notifications:
+    email: false