configure travis for mysql

.travis.yml

@@ -12,3 +12,11 @@ notifications:
       - "irc.mozilla.org#picl"
     use_notice: false
     skip_join: false
+
+env:
+  - KVSTORE_BACKEND=mysql
+  - KVSTORE_BACKEND=memory
+
+before_script:
+  - "mysql -e 'DROP DATABASE IF EXISTS test;'"
+  - "mysql -e 'CREATE DATABASE test;'"