cubicweb-mandrill #4979727 cubicweb 3.20 compat [validation pending]

With cubicweb 3.20 notifications are not sent through mandrill but smtp

prioritynormal
typebug
done in0.4.0
load left0.000
closed by#fe6726e4e530 Cubicweb 3.20 compatibility
patchCubicweb 3.20 compatibility [applied]