add help for :colorscheme and move completion function to

completion.colorScheme

content/completion.js

@@ -813,6 +813,19 @@ function Completion() //{{{
             return [0, buildLongestCommonSubstring(items, filter)];
         },
 
+        colorScheme: function colorScheme(filter)
+        {
+            let schemes = [];
+            let rtp = options["runtimepath"].split(",");
+
+            rtp.forEach(function (path) {
+                schemes = schemes.concat([[c[0].replace(/\.vimp$/, ""), ""]
+                    for each (c in completion.file(path + "/colors/", true)[1])]);
+            });
+
+            return [0, completion.filter(schemes, filter)];
+        },
+
         command: function command(filter)
         {
             var completions = [];

content/style.js

@@ -362,30 +362,21 @@ const highlight = storage.newObject("highlight", Highlights, false);
 
 liberator.registerObserver("load_commands", function ()
 {
+    // TODO: :colo default needs :hi clear
     commands.add(["colo[rscheme]"],
         "Load a color scheme",
         function (args)
         {
             let scheme = args.arguments[0];
 
-            if (!io.sourceFromRuntimePath(["colors/" + scheme + ".vimp"]))
+            if (io.sourceFromRuntimePath(["colors/" + scheme + ".vimp"]))
+                autocommands.trigger("ColorScheme", {});
+            else
                 liberator.echoerr("E185: Cannot find color scheme " + scheme);
         },
         {
             argCount: 1,
-            completer: function (filter)
-            {
-                let rtp = options["runtimepath"].split(",");
-                let schemes = [];
-
-                rtp.forEach(function (path) {
-                    schemes = schemes.concat(
-                        [[c[0].replace(/\.vimp$/, ""), ""] for each (c in completion.file(path + "/colors/", true)[1])]
-                    )
-                });
-
-                return [0, completion.filter(schemes, filter)];
-            }
+            completer: function (filter) completion.colorScheme(filter)
         });
 
     commands.add(["sty[le]"],

content/vimperator.js

@@ -39,6 +39,7 @@ const config = { //{{{
     get visualbellWindow() getBrowser().mPanelContainer,
 
     autocommands: [["BookmarkAdd",        "Triggered after a page is bookmarked"],
+                   ["ColorScheme",        "Triggered after a color scheme has been loaded"],
                    ["DOMLoad",            "Triggered when a page's DOM content has fully loaded"],
                    ["DownloadPost",       "Triggered when a download has completed"],
                    ["LocationChange",     "Triggered when changing tabs or when naviagtion to a new location"],