Bug 1394804 - Update and sign DAMP add-on. r=ochameau

MozReview-Commit-ID: 8DQQyhAhHGV

--HG--
extra : rebase_source : 7da15d3ecf2ff71fdb258e0e80394aecf64dd43e

testing/talos/talos/tests/devtools/addon/install.rdf

@@ -3,7 +3,7 @@
 <!-- Required Items -->
 <em:id>bug1150215@mozilla.org</em:id>
 <em:name>DAMP - Devtools At Maximum Performance</em:name>
-<em:version>0.0.13</em:version>
+<em:version>0.0.15</em:version>
 
 <em:targetApplication>
     <Description>