Add instagram background implementation and generalize application for other identity providers

app/assets/stylesheets/supplier/foundation1/_foundation_and_overrides.css.sass

@@ -66,7 +66,8 @@
 $primary-color: #008349
 // $secondary-color: #e7e7e7;
 $secondary-color: #d7d7d7
-// $alert-color: #f04124;
+//$alert-color: #f04124;
+$alert-color: #ee3e41
 // $success-color: #43AC6A;
 // $warning-color: #f08a24;
 // $info-color: #a0d3e8;

app/assets/stylesheets/supplier/foundation1/_qconstants.css.sass

@@ -1,7 +1,5 @@
 //$qbrown: #634227
 $qbrown: #853d15
 $qbrown-active: lighten($qbrown, 20%)
-$green: #7BB459 //Heineken
-//$wood: image-url('textures/wood001-vertical.jpg')
 $wood: image-url('textures/theme1.jpg')
 $background-brown: #57351f

app/assets/stylesheets/supplier/foundation1/components/_menu_main.css.sass

@@ -4,7 +4,7 @@ header.top-menu
   background-repeat: no-repeat, no-repeat
   background-position: left bottom, right bottom
   background-image: image-url('theme1/button-bar-left.png'), image-url('theme1/button-bar-right.png')
-  color: $green
+  color: $primary-color
   padding-left: 48px
   padding-right: 52px
   .menu-content