new module that displays current kernel

it uses the output of 'uname -r' prefixed with the linux font-awesome icon

bumblebee/modules/kernel.py

@@ -0,0 +1,13 @@
+import bumblebee.input
+import bumblebee.output
+import bumblebee.engine
+
+class Module(bumblebee.engine.Module):
+    def __init__(self, engine, config):
+        super(Module, self).__init__(engine, config,
+            bumblebee.output.Widget(full_text=self.output)
+        )
+        self._release_name = bumblebee.util.execute("uname -r")[:-1]
+
+    def output(self, widget):
+        return self._release_name

themes/icons/awesome-fonts.json

@@ -38,6 +38,9 @@
 		"muted": { "prefix": "" },
 		"unmuted": { "prefix": "" }
 	},
+  "kernel": {
+    "prefix": "\uf17c"
+  },
 	"nic": {
 		"wireless-up": { "prefix": "" },
 		"wireless-down": { "prefix": "" },