Merge branch 'word-break' into 'master'

Don't break line in middle of word

<img src="/uploads/cceb1a4212ff7785ace03cd6468edf85/Screen_Shot_2016-04-21_at_3.32.00_PM.png" width="500px">

See merge request !3864

app/assets/stylesheets/framework/markdown_area.scss

@@ -95,7 +95,7 @@
   &.md-preview-holder {
     code {
       white-space: pre-wrap;
-      word-break: break-all;
+      word-break: keep-all;
     }
   }
 }

app/assets/stylesheets/pages/detail_page.scss

@@ -40,6 +40,7 @@
   .wiki {
     code {
       white-space: pre-wrap;
+      word-break: keep-all;
     }
   }
 }

app/assets/stylesheets/pages/notes.scss

@@ -109,6 +109,10 @@ ul.notes {
           border-color: darken(#f5f5f5, 8%);
           margin: 10px 0;
         }
+
+        code {
+          word-break: keep-all;
+        }
       }
 
       a {