Fixed Travis CI integration

.gitignore

@@ -12,3 +12,4 @@ parts/
 src/*
 !src/collective/
 var/
+buildout-cache/

travis.cfg

@@ -3,18 +3,20 @@ extends =
     http://dist.plone.org/release/4.2.2/versions.cfg
     sources.cfg
 
+extensions =
+    mr.developer
+
 parts =
     download
     install
     test
 
-eggs = Pillow
-
 # network speedup
 eggs-directory = buildout-cache/eggs
 download-cache = buildout-cache/downloads
 
 socket-timeout = 3
+
 allow-hosts =
     *.python.org
     launchpad.net
@@ -36,5 +38,6 @@ zc.buildout = 1.6.3
 [test]
 recipe = zc.recipe.testrunner
 eggs =
+    Pillow
     collective.contact.content [test]
-defaults = ['--auto-color', '--auto-progress']
+defaults = ['--auto-color', '--auto-progress']