Merge branch 'press/international' of github.com:MITx/mitx into press/international

lms/static/sass/multicourse/_courses.scss

@@ -5,6 +5,7 @@
   header.search {
     background: rgb(240,240,240);
     background-size: cover;
+    background-position: center top !important;
     border-bottom: 1px solid rgb(100,100,100);
     @include box-shadow(inset 0 -1px 8px 0 rgba(0,0,0, 0.2), inset 0 1px 12px 0 rgba(0,0,0, 0.3));
     height: 430px;