[Frontend] Styling for search elements

#70
Significant .scss and markup changes across search;
New symbols font (v2.2) char for clear icon;
To-do: style "load more" element;

platform/commonUI/general/res/sass/_main.scss

@@ -1,3 +1,4 @@
+/*****************************************************************************
 /*****************************************************************************
  * Open MCT Web, Copyright (c) 2014-2015, United States Government
  * as represented by the Administrator of the National Aeronautics and Space
@@ -31,7 +32,7 @@
 @import "global";
 @import "fonts";
 @import "user-environ/layout";
-@import "search/layout";
+//@import "search/layout";
 @import "fixed-position";
 @import "about";
 @import "text";