Add Travis CI support

.travis.yml

@@ -0,0 +1,25 @@
+language: lisp
+sudo: required
+
+env:
+  matrix:
+    - LISP=abcl
+    - LISP=allegro
+    - LISP=sbcl
+    - LISP=sbcl32
+    - LISP=ccl
+    - LISP=ccl32
+    - LISP=clisp
+    - LISP=clisp32
+    - LISP=ecl
+
+install:
+  - curl -L https://github.com/luismbo/cl-travis/raw/master/install.sh | sh
+
+script:
+        - cl -e '(pushnew :md5-testing cl:*features*)
+           (asdf:load-system "md5")
+           (unless (md5::test-rfc1321)
+             (uiop:quit 1))
+           (unless (md5::test-other)
+             (uiop:quit 1))'