added animation to edlp loader, created edlp_ajax_node module

sites/all/themes/custom/edlptheme/assets/styles/app.scss

@@ -90,6 +90,13 @@ header[role="banner"]{
           border: 1px solid #000;
           margin-right: 0.3em;
         }
+        &.ajax-loading:before{
+          @keyframes rotation {
+            from {transform: rotate(0deg);}
+            to   {transform: rotate(359deg);}
+          }
+          animation: rotation 2s infinite linear;
+        }
         &.is-active:before,
         &:hover:before{
           border-color: red;
@@ -144,11 +151,11 @@ main[role="main"]{
     content:"";
     display: block;
     position: absolute;
-    $s:50px;
+    $s:60px;
     width:$s; height:$s;
     top:calc(50% - #{$s/2}); left:calc(50% - #{$s/2});
     background-color: white;
-    background-image: url(../../img/edlp-loader.svg);
+    background-image: url(../../img/edlp-loader-anim.svg);
     background-size: 50%;
     background-repeat: no-repeat;
     background-position: center;