Update OWHF logo (#190)

Author: arkid15r

ideas.html

@@ -151,7 +151,7 @@ <h2>
                     <div class="pure-u-1 pure-u-md-1-1 pure-u-lg-1-1 shuffleMe">
                         <div class="pure-g">
                             <div class="pure-u-1 pure-u-md-1-2 logo">
-                                <img src="/logos/DIPY.png" />
+                                <img src="/logos/holidays_logo.png" />
                             </div>
                             <div class="pure-u-1 pure-u-md-1-2">
                                 <h2>