fix(doc): fix all broken links

src/Injector.js

@@ -29,7 +29,7 @@
  *     * `self` -  "`this`" to be used when invoking the function.
  *     * `fn` - the function to be invoked. The function may have the `$inject` property which
  *        lists the set of arguments which should be auto injected
- *        (see {@link guide.di dependency injection}).
+ *        (see {@link guide/dev_guide.di dependency injection}).
  *     * `curryArgs(array)` - optional array of arguments to pass to function invocation after the
  *        injection arguments (also known as curry arguments or currying).
  *   * an `eager` property which is used to initialize the eager services.

src/formatters.js

@@ -10,7 +10,6 @@
  * Following is the list of built-in angular formatters:
  *
  * * {@link angular.formatter.boolean boolean} - Formats user input in boolean format
- * * {@link angular.formatter.index index} - Manages indexing into an HTML select widget
  * * {@link angular.formatter.json json} - Formats user input in JSON format
  * * {@link angular.formatter.list list} - Formats user input string as an array
  * * {@link angular.formatter.number number} - Formats user input strings as a number