Update Coveo Logo no trademark

_config.yml

@@ -20,15 +20,15 @@ inc:
   # Company information
   company:      Coveo
   url:          https://www.coveo.com/
-  twitter:      coveo
+  linkedin:     https://www.linkedin.com/company/coveo/
 
   # Comments
   disqus:
     shortname:  coveordblog #false to disable
 
   # Sharing settings
   sharing:
-    twitter:    true
+    twitter:    false
     facebook:   false
     gplus:      false
     hn:         false

_layouts/base.html

@@ -151,8 +151,8 @@ <h1 class="currentSiteName"><em>Tech Blog</em> <span>Menu<i class="arrow"></i></
         </nav>
 
         <nav class="social">
-            {% if site.inc.twitter %}
-            <a href="https://twitter.com/{{ site.inc.twitter }}" title="Follow on Twitter" target="_blank"><i class="icon icon-twitter black"></i></a>
+            {% if site.inc.linkedin %}
+            <a href="{{ site.inc.linkedin }}" title="Follow on LinkedIn" target="_blank"><i class="icon icon-linkedin"></i></a>
             {% endif %}
             {% if site.inc.facebook %}
             <a href="http://facebook.com/{{ site.inc.facebook }}" title="Follow on Facebook" target="_blank"><i class="icon icon-facebook black"></i></a>

css/main.css

@@ -2718,13 +2718,12 @@ article .full.zoomable img.zoom {
     width: 14px;
     height: 14px
 }
-
-/*.icon-rss.black {
-    background-position: 1px -11px
-}
-
-.icon-twitter.black {
-    background-position: 1px -16px
+.icon-linkedin {
+    background-image: url(data:image/png;base64,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);
+    background-size: 36px;
+    background-position: 0 0;
+    width: 36px;
+    height: 36px;
 }
 
 .icon-facebook.black {