Tweak for travis + Dist::Zilla, using mjgardner/svn-simple-hook example

Used this .travis.yml file as an example:

https://github.com/mjgardner/svn-simple-hook/blob/master/.travis.yml

Hat tip to #19 (comment)

Signed-off-by: Pedro Melo <melo@simplicidade.org>

.travis.yml

@@ -3,5 +3,9 @@ perl:
   - "5.14"
   - "5.12"
   - "5.10"
-install: cpanm --installdeps --notest .
-
+before_install:
+  - "cpanm Dist::Zilla"
+  - "cpanm Dist::Zilla::PluginBundle::Author::MELO"
+  - "git config --global github.user melo"
+install: "dzil authordeps | xargs cpanm && dzil listdeps | xargs cpanm"
+script: "dzil test --release"