Use mosaicsprint branch for plone.app.blocks

buildout.cfg

@@ -1,10 +1,18 @@
 [buildout]
+extensions =
+    mr.developer
 extends =
     https://raw.github.com/ploneintranet/ploneintranet.suite/master/buildout.cfg
 
+auto-checkout =
+    plone.app.blocks
+
 package-source = src/ploneintranet
 package-name = ploneintranet.workspace
 
+[sources]
+plone.app.blocks = git https://github.com/plone/plone.app.blocks.git branch=mosaicsprint
+
 [test]
 recipe = collective.xmltestreport
 defaults = ['--auto-color', '--auto-progress', '--xml', '-v', '-s', 'ploneintranet.workspace']