Update project README

- Update project/documentation links
- Use open source Code Climate badge
- Hard-wrap text
- Fix YAML identation

Author: dblandin

README.md

@@ -1,30 +1,57 @@
 # Code Climate ESLint Engine
 
-[![Code Climate](https://codeclimate.com/repos/55841b7a6956801212006c92/badges/92d8261f1b6200f19af5/gpa.svg)](https://codeclimate.com/repos/55841b7a6956801212006c92/feed)
+[![Code Climate][badge]][repo]
 
-`codeclimate-eslint` is a Code Climate engine that wraps [ESLint](https://github.com/eslint/eslint). You can run it on your command line using the Code Climate CLI, or on our hosted analysis platform.
+[badge]: https://codeclimate.com/github/codeclimate/codeclimate-eslint/badges/gpa.svg
+[repo]: https://codeclimate.com/repos/github/codeclimate-eslint
 
-ESLint is a tool for identifying and reporting on patterns found in ECMAScript/JavaScript code. It can be configured using a [configuration file](https://github.com/eslint/eslint#usage).
+`codeclimate-eslint` is a Code Climate engine that wraps [ESLint][]. You can run
+it on your command line using the Code Climate CLI, or on our hosted analysis
+platform.
+
+ESLint is a tool for identifying and reporting on patterns found in
+ECMAScript/JavaScript code. It can be configured using a [configuration
+file][config].
+
+[config]: http://eslint.org/docs/user-guide/configuring#using-configuration-files
 
 ### Installation
 
-1. If you haven't already, [install the Code Climate CLI](https://github.com/codeclimate/codeclimate).
-2. Run `codeclimate engines:enable eslint`. This command both installs the engine and enables it in your `.codeclimate.yml` file.
-3. You're ready to analyze! Browse into your project's folder and run `codeclimate analyze`.
+1. If you haven't already, [install the Code Climate CLI][CLI]
+
+2. Run `codeclimate engines:enable eslint`. This command both installs the
+   engine and enables it in your `.codeclimate.yml` file
+
+3. You're ready to analyze! Browse into your project's folder and run
+   `codeclimate analyze`
+
+[cli]: https://github.com/codeclimate/codeclimate
 
 ### Configuration
 
 #### `ignore_warnings`
-By default, this engine will emit both ESLint errors and warnings as Code Climate issues. If you prefer, you can ignore warning-level violations by setting the `ignore_warnings` configuration option:
+
+By default, this engine will emit both ESLint errors and warnings as Code
+Climate issues. If you prefer, you can ignore warning-level violations by
+setting the `ignore_warnings` configuration option:
+
 ```yaml
 eslint:
-    enabled: true
-    config:
-     ignore_warnings: true
+  enabled: true
+  config:
+    ignore_warnings: true
 ```
 
 ### Need help?
 
-For help with ESLint, [check out their documentation](https://github.com/eslint/eslint).
+For help with ESLint, [check out their documentation][eslint-docs].
+
+If you're running into a Code Climate issue, first look over this project's
+[GitHub Issues][issues], as your question may have already been covered. If not,
+[go ahead and open a support ticket with us][help].
+
+[issues]: https://github.com/codeclimate/codeclimate-eslint/issues
+[help]: https://codeclimate.com/help
 
-If you're running into a Code Climate issue, first look over this project's [GitHub Issues](https://github.com/codeclimate/codeclimate-eslint/issues), as your question may have already been covered. If not, [go ahead and open a support ticket with us](https://codeclimate.com/help).
+[eslint]: http://eslint.org
+[eslint-docs]: http://eslint.org/docs/user-guide/