Update CodeMirror to v.2.25

Update to latest version

CodeMirror-2.25/LICENSE

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+Copyright (C) 2012 by Marijn Haverbeke <marijnh@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+Please note that some subdirectories of the CodeMirror distribution
+include their own LICENSE files, and are released under different
+licences.

CodeMirror-2.25/README.md

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+# CodeMirror 2
+
+CodeMirror 2 is a rewrite of [CodeMirror
+1](http://github.com/marijnh/CodeMirror). The docs live
+[here](http://codemirror.net/doc/manual.html), and the project page is
+[http://codemirror.net/](http://codemirror.net/).

CodeMirror-2.25/keymap/emacs.js

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+// TODO number prefixes
+(function() {
+  // Really primitive kill-ring implementation.
+  var killRing = [];
+  function addToRing(str) {
+    killRing.push(str);
+    if (killRing.length > 50) killRing.shift();
+  }
+  function getFromRing() { return killRing[killRing.length - 1] || ""; }
+  function popFromRing() { if (killRing.length > 1) killRing.pop(); return getFromRing(); }
+
+  CodeMirror.keyMap.emacs = {
+    "Ctrl-X": function(cm) {cm.setOption("keyMap", "emacs-Ctrl-X");},
+    "Ctrl-W": function(cm) {addToRing(cm.getSelection()); cm.replaceSelection("");},
+    "Ctrl-Alt-W": function(cm) {addToRing(cm.getSelection()); cm.replaceSelection("");},
+    "Alt-W": function(cm) {addToRing(cm.getSelection());},
+    "Ctrl-Y": function(cm) {cm.replaceSelection(getFromRing());},
+    "Alt-Y": function(cm) {cm.replaceSelection(popFromRing());},
+    "Ctrl-/": "undo", "Shift-Ctrl--": "undo", "Shift-Alt-,": "goDocStart", "Shift-Alt-.": "goDocEnd",
+    "Ctrl-S": "findNext", "Ctrl-R": "findPrev", "Ctrl-G": "clearSearch", "Shift-Alt-5": "replace",
+    "Ctrl-Z": "undo", "Cmd-Z": "undo", "Alt-/": "autocomplete",
+    fallthrough: ["basic", "emacsy"]
+  };
+
+  CodeMirror.keyMap["emacs-Ctrl-X"] = {
+    "Ctrl-S": "save", "Ctrl-W": "save", "S": "saveAll", "F": "open", "U": "undo", "K": "close",
+    auto: "emacs", nofallthrough: true
+  };
+})();