[test] pull yapps from Logilab's github
Fixes a couple of failures, pull request is almost a year old
(https://github.com/smurfix/yapps/pull/2).
--- a/test/requirements.txt Thu Nov 12 15:20:45 2015 +0100
+++ b/test/requirements.txt Thu Nov 19 14:36:54 2015 +0100
@@ -4,3 +4,4 @@
cubicweb-file
cubicweb-localperms
cubicweb-tag
+git+git://github.com/logilab/yapps@master#egg=yapps