Refactor orderfooter and quantity display

* Unit, others_quantitiy and other_tolerance is now in orderfooter
* We display the missing units in the article row now.

public/stylesheets/sass/main.sass

@@ -90,7 +90,10 @@ option
 
 span.click-me
   cursor: pointer
-
+.left
+  float: left
+.right
+  float: right
 .clear
   clear: both
 
@@ -454,6 +457,7 @@ table#order
     td
       :padding-right 10px
 #order-footer, .article-info
+  text-align: left
   z-index: 1
   position: fixed
   bottom: 0
@@ -475,7 +479,7 @@ table#order
         background-color: red
 .article-info
   z-index: 2
-  width: 30em
+  width: 50em
   height: 8em
   border: none
   left: 30px