Fix spaces between paramset values. Also change the highlight color.

golden/res/imp/dots.html

 <!-- The <dots-sk> custom element declaration.
 
   A custom element for displaying a dot chart of digests by trace, such as:
 
     ooo-o-o-oo•••
 
 
   Attributes:
     None.
 
@@ skipping 42 matching lines @@
           commit_time: 1428445634
           hash: "c654e9016a15985ebeb24f94f819d113ad48a251"
         },
         ...
       ]
 -->
 <polymer-element name="dots-sk">
   <template>
     <style type="text/css" media="screen">
       g:hover circle {
-        fill:   #44aa99;
-        stroke: #44aa99;
+        fill:   #E7298A;
+        stroke: #E7298A;
       }
 
       circle.status0 {
         fill:   #000000;
         stroke: #000000;
       }
       circle.status1 {
         fill:   #ffffff;
         stroke: #1B9E77;
       }
@@ skipping 95 matching lines @@
         this.value = value;
       },
 
       setCommits: function(commits) {
         this.commits = commits;
       },
 
     });
   </script>
 </polymer-element>