Use scanner for screenshooter protocol
diff --git a/compositor/screenshooter.xml b/compositor/screenshooter.xml
new file mode 100644
index 0000000..f8d993d
--- /dev/null
+++ b/compositor/screenshooter.xml
@@ -0,0 +1,7 @@
+<protocol name="screenshooter">
+
+  <interface name="screenshooter" version="1">
+    <request name="shoot"/>
+  </interface>
+
+</protocol>