Clean up dependencies, add install script

util/errors.lua

@@ -0,0 +1,27 @@
+-- Notification library
+local naughty = require("naughty")
+
+-- {{{ Error handling
+-- Check if awesome encountered an error during startup and fell back to
+-- another config (This code will only ever execute for the fallback config)
+if awesome.startup_errors then
+    naughty.notify({ preset = naughty.config.presets.critical,
+                     title = "Oops, there were errors during startup!",
+                     text = awesome.startup_errors })
+end
+
+-- Handle runtime errors after startup
+do
+    local in_error = false
+    awesome.connect_signal("debug::error", function (err)
+        -- Make sure we don't go into an endless error loop
+        if in_error then return end
+        in_error = true
+
+        naughty.notify({ preset = naughty.config.presets.critical,
+                         title = "Oops, an error happened!",
+                         text = err })
+        in_error = false
+    end)
+end
+-- }}}