New CodeMirror Library version 3.16

Replacing the CodeMirror Version to 3.16
Adding files to ..templates/designer/index.html to  use the new extended control codeMirror.js and codeMirrorField.js

gulliver/js/codemirror/addon/lint/css-lint.js

@@ -0,0 +1,19 @@
+// Depends on csslint.js from https://github.com/stubbornella/csslint
+
+// declare global: CSSLint
+
+CodeMirror.registerHelper("lint", "css", function(text) {
+  var found = [];
+  var results = CSSLint.verify(text), messages = results.messages, message = null;
+  for ( var i = 0; i < messages.length; i++) {
+    message = messages[i];
+    var startLine = message.line -1, endLine = message.line -1, startCol = message.col -1, endCol = message.col;
+    found.push({
+      from: CodeMirror.Pos(startLine, startCol),
+      to: CodeMirror.Pos(endLine, endCol),
+      message: message.message,
+      severity : message.type
+    });
+  }
+  return found;
+});