Merge branch 'rs-logo-animation' into 'master'

Use the logo as a loading indicator

![logo-sweep](/uploads/ff048fd2e56a6dcae8801f998b484623/logo-sweep.gif)

See merge request !2277

app/assets/javascripts/logo.js.coffee

+NProgress.configure(showSpinner: false)
+
+defaultClass = 'tanuki-shape'
+pieces = [
+  'path#tanuki-right-cheek',
+  'path#tanuki-right-eye, path#tanuki-right-ear',
+  'path#tanuki-nose',
+  'path#tanuki-left-eye, path#tanuki-left-ear',
+  'path#tanuki-left-cheek',
+]
+pieceIndex = 0
+firstPiece = pieces[0]
+
+currentTimer = null
+delay        = 150
+
+clearHighlights = ->
+  $(".#{defaultClass}.highlight").attr('class', defaultClass)
+
+start = ->
+  clearHighlights()
+  pieceIndex = 0
+  pieces.reverse() unless pieces[0] == firstPiece
+  currentTimer = setInterval(work, delay)
+
+stop = ->
+  clearInterval(currentTimer)
+  clearHighlights()
+
+work = ->
+  clearHighlights()
+  $(pieces[pieceIndex]).attr('class', "#{defaultClass} highlight")
+
+  # If we hit the last piece, reset the index and then reverse the array to
+  # get a nice back-and-forth sweeping look
+  if pieceIndex == pieces.length - 1
+    pieceIndex = 0
+    pieces.reverse()
+  else
+    pieceIndex++
+
+$(document).on('page:fetch',  start)
+$(document).on('page:change', stop)

app/assets/stylesheets/framework/sidebar.scss

@@ -105,7 +105,7 @@
 .tanuki-shape {
   transition: all 0.8s;
 
-  &:hover {
+  &:hover, &.highlight {
     fill: rgb(255, 255, 255);
     transition: all 0.1s;
   }

app/views/shared/_logo.svg

@@ -5,13 +5,13 @@
                 <g id="Fill-1-+-Group-24">
                     <g id="Group-24">
                         <g id="Group">
-                            <path d="M105.0614,193.655 L105.0614,193.655 L143.7014,74.734 L66.4214,74.734 L105.0614,193.655 L105.0614,193.655 Z" id="Fill-4" fill="#E24329" class="tanuki-shape"></path>
-                            <path d="M105.0614,193.6548 L66.4214,74.7338 L12.2684,74.7338 L105.0614,193.6548 L105.0614,193.6548 Z" id="Fill-8" fill="#FC6D26" class="tanuki-shape"></path>
-                            <path d="M12.2685,74.7341 L12.2685,74.7341 L0.5265,110.8731 C-0.5445,114.1691 0.6285,117.7801 3.4325,119.8171 L105.0615,193.6551 L12.2685,74.7341 L12.2685,74.7341 Z" id="Fill-12" fill="#FCA326" class="tanuki-shape"></path>
-                            <path d="M12.2685,74.7342 L66.4215,74.7342 L43.1485,3.1092 C41.9515,-0.5768 36.7375,-0.5758 35.5405,3.1092 L12.2685,74.7342 L12.2685,74.7342 Z" id="Fill-16" fill="#E24329" class="tanuki-shape"></path>
-                            <path d="M105.0614,193.6548 L143.7014,74.7338 L197.8544,74.7338 L105.0614,193.6548 L105.0614,193.6548 Z" id="Fill-18" fill="#FC6D26" class="tanuki-shape"></path>
-                            <path d="M197.8544,74.7341 L197.8544,74.7341 L209.5964,110.8731 C210.6674,114.1691 209.4944,117.7801 206.6904,119.8171 L105.0614,193.6551 L197.8544,74.7341 L197.8544,74.7341 Z" id="Fill-20" fill="#FCA326" class="tanuki-shape"></path>
-                            <path d="M197.8544,74.7342 L143.7014,74.7342 L166.9744,3.1092 C168.1714,-0.5768 173.3854,-0.5758 174.5824,3.1092 L197.8544,74.7342 L197.8544,74.7342 Z" id="Fill-22" fill="#E24329" class="tanuki-shape"></path>
+                            <path id="tanuki-right-ear"   d="M12.2685,74.7342 L66.4215,74.7342 L43.1485,3.1092 C41.9515,-0.5768 36.7375,-0.5758 35.5405,3.1092 L12.2685,74.7342 L12.2685,74.7342 Z" fill="#E24329" class="tanuki-shape"></path>
+                            <path id="tanuki-right-cheek" d="M12.2685,74.7341 L12.2685,74.7341 L0.5265,110.8731 C-0.5445,114.1691 0.6285,117.7801 3.4325,119.8171 L105.0615,193.6551 L12.2685,74.7341 L12.2685,74.7341 Z" fill="#FCA326" class="tanuki-shape"></path>
+                            <path id="tanuki-right-eye"   d="M105.0614,193.6548 L66.4214,74.7338 L12.2684,74.7338 L105.0614,193.6548 L105.0614,193.6548 Z" fill="#FC6D26" class="tanuki-shape"></path>
+                            <path id="tanuki-nose"        d="M105.0614,193.655 L105.0614,193.655 L143.7014,74.734 L66.4214,74.734 L105.0614,193.655 L105.0614,193.655 Z" fill="#E24329" class="tanuki-shape"></path>
+                            <path id="tanuki-left-eye"    d="M105.0614,193.6548 L143.7014,74.7338 L197.8544,74.7338 L105.0614,193.6548 L105.0614,193.6548 Z" fill="#FC6D26" class="tanuki-shape"></path>
+                            <path id="tanuki-left-cheek"  d="M197.8544,74.7341 L197.8544,74.7341 L209.5964,110.8731 C210.6674,114.1691 209.4944,117.7801 206.6904,119.8171 L105.0614,193.6551 L197.8544,74.7341 L197.8544,74.7341 Z" fill="#FCA326" class="tanuki-shape"></path>
+                            <path id="tanuki-left-ear"    d="M197.8544,74.7342 L143.7014,74.7342 L166.9744,3.1092 C168.1714,-0.5768 173.3854,-0.5758 174.5824,3.1092 L197.8544,74.7342 L197.8544,74.7342 Z" fill="#E24329" class="tanuki-shape"></path>
                         </g>
                     </g>
                 </g>