New Altinn logo (#417)

Replaced old Altinn logo with new, and made some adjustments to alignment in header (TFS 53349/53662).

Author: nkylstad

source/css/scss-altinn/objects/_header.scss

@@ -41,7 +41,7 @@
     float: left;
     max-width: 110px;
     margin-top: -2px;
-    margin-right: $spacer;
+    margin-right: $spacer * 4;
 
     @include media-breakpoint-up( lg ) {
       max-width: 142px;
@@ -504,7 +504,6 @@
 
 // LOGO
 .a-logo {
-  width: $spacer * 11;
   height: $spacer * 2;
   margin-bottom: 0;
 }