Use new logo in header

app/assets/images/logo-red.svg

@@ -0,0 +1,10 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 866.0254037844387 866.0254037844387">
+  <defs>
+    <mask id="small-triangle-mask">
+      <rect width="100%" height="100%" fill="white"/>
+      <polygon points="508.01270189221935 433.01270189221935, 208.0127018922194 259.8076211353316, 208.01270189221927 606.217782649107" fill="black"></polygon>
+    </mask>
+  </defs>
+  <polygon points="808.0127018922194 433.01270189221935, 58.01270189221947 -1.1368683772161603e-13, 58.01270189221913 866.0254037844386" mask="url(#small-triangle-mask)" fill="#d40000"></polygon>
+  <polyline points="481.2177826491071 333.0127018922194, 134.80762113533166 533.0127018922194" stroke="#d40000" stroke-width="90"></polyline>
+</svg>

app/assets/stylesheets/header.sass

@@ -82,7 +82,7 @@ header.navbar
         background-color: #aaa
 
   .navbar-brand
-    padding: 10px 15px
+    padding: 10px 5px 10px 15px
 
     img
       height: 20px

app/views/layouts/_header.html.slim

@@ -6,7 +6,7 @@ header.navbar.navbar-default.navbar-fixed-top[role="navigation"]
         span.icon-bar
         span.icon-bar
       a.navbar-brand href="/"
-        = image_tag 'new-logo-bars.png'
+        = image_tag 'logo-red.svg'
 
     .collapse.navbar-collapse.navbar-ex1-collapse
       ul.nav.navbar-nav