sync.profile: Point dependencies to 'refs/heads/dev'

We should test dev branches against dev branches only by default.
At some point we should automate the merges from release->stable->dev
and/or decide how to handle possible conflicts.

This is good enough for the time being.

Change-Id: I40b8d45fa5f6106912ad0a5f9ae69fae7b9ec660
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

sync.profile

@@ -16,10 +16,10 @@
 #   - any git symbolic ref resolvable from the module's repository (e.g. "refs/heads/master" to track master branch)
 #
 %dependencies = (
-    "qtbase" => "refs/heads/master",
-    "qtxmlpatterns" => "refs/heads/master",
-    "qtdeclarative" => "refs/heads/master",
-    "qtjsbackend" => "refs/heads/master",
-    "qtactiveqt" => "refs/heads/master",
-    "qtwebkit" => "refs/heads/master",
+    "qtbase" => "refs/heads/dev",
+    "qtxmlpatterns" => "refs/heads/dev",
+    "qtdeclarative" => "refs/heads/dev",
+    "qtjsbackend" => "refs/heads/dev",
+    "qtactiveqt" => "refs/heads/dev",
+    "qtwebkit" => "refs/heads/dev",
 );