Fix up redirections page

- Redirections -> Shorthand URLs
- Use `road` icon instead of `bicycle`

Author: jyn514

templates/about-base.html

@@ -14,7 +14,7 @@ <h3 id="crate-title">Docs.rs documentation</h3>
 		{{ macros::active_link(expected="builds", href="/about/builds", text=text) }}
 		{% set text = '<i class="fa fa-fw fa-table"></i> <span class="title">Metadata</span>' %}
 		{{ macros::active_link(expected="metadata", href="/about/metadata", text=text) }}
-		{% set text = '<i class="fa fa-bicycle"></i> <span class="title">Redirections</span>' %}
+		{% set text = '<i class="fa fa-fw fa-road"></i> <span class="title">Shorthand URLs</span>' %}
 		{{ macros::active_link(expected="redirections", href="/about/redirections", text=text) }}
 	</ul>
 	</div>

templates/core/about/redirections.html

@@ -1,9 +1,9 @@
 {% extends "about-base.html" -%}
 
-{%- block title -%} Redirections {%- endblock title -%}
+{%- block title -%} Shorthand URLs {%- endblock title -%}
 
 {%- block body -%}
-<h1>Redirections</h1>
+<h1>Shorthand URLs</h1>
 <div class="container about">
 
 <p>