Polish error messages to match original ember-template-lint wording

- tokenlist: add "one or more" and "the following"
- token: add "the following"
- id: "a string that represents a DOM element ID"
- idlist: "a list of strings that represent DOM element IDs (idlist)"
- tristate: use double quotes to match original

Author: johanrd

lib/rules/template-no-invalid-aria-attributes.js

@@ -71,22 +71,22 @@ function getExpectedTypeDescription(attrName) {
     case 'boolean':
       return 'a boolean (true or false)';
     case 'tristate':
-      return "a boolean or the string 'mixed'";
+      return 'a boolean or the string "mixed"';
     case 'integer':
       return 'an integer';
     case 'number':
       return 'a number';
     case 'token': {
       const vals = attrDef.values.map((v) => (typeof v === 'boolean' ? v.toString() : v));
-      return `a single token from: ${vals.join(', ')}`;
+      return `a single token from the following: ${vals.join(', ')}`;
     }
     case 'tokenlist': {
-      return `a list of tokens from: ${attrDef.values.join(', ')}`;
+      return `a list of one or more tokens from the following: ${attrDef.values.join(', ')}`;
     }
     case 'id':
-      return 'a non-boolean string ID';
+      return 'a string that represents a DOM element ID';
     case 'idlist':
-      return 'a space-separated list of string IDs';
+      return 'a list of strings that represent DOM element IDs (idlist)';
     case 'string':
       return 'a string';
     default: