adds share icons to profile sections

for issue #109

app/components/profile/Section.jsx

@@ -1,16 +1,24 @@
 import React, {Component, PropTypes} from "react";
 import styles from "css/components/profile/section";
+import downloadSvg from "images/icon-download.svg";
+import shareSvg from "images/icon-share.svg";
 
 const Section = ({children, index, numSections, slug, title}) => {
   return (
     <section className="profile-section" key={slug}>
       <div className="section-head">
-        <a name={slug}><h4>{title}</h4></a>
-        <span className="section-nav">
-          {[...Array(numSections)].map((x, i) =>
-            i === index ? <span key={i} className="icon-circle active"></span> : <span key={i} className="icon-circle"></span>
-          )}
-        </span>
+        <div className="section-title">
+          <a name={slug}><h4>{title}</h4></a>
+          <span className="section-nav">
+            {[...Array(numSections)].map((x, i) =>
+              i === index ? <span key={i} className="icon-circle active"></span> : <span key={i} className="icon-circle"></span>
+            )}
+          </span>
+        </div>
+        <div className="section-actions">
+          <a className="section-share"><img src={shareSvg} alt={`Share this visualization`} /></a>
+          <a className="section-download"><img src={downloadSvg} alt={`Download this visualization`} /></a>
+        </div>
       </div>
       <div className="section-body">
         { children }

app/css/components/profile/section.css

@@ -13,8 +13,31 @@
   }
 
   & .section-head {
-    & > * {
-      display: inline-block;
+    display: flex;
+    flex-direction: row;
+    justify-content: space-between;
+    align-items: center;
+
+    & .section-title, & .section-actions {
+      & > * {
+        display: inline-block;
+      }
+    }
+
+    & .section-actions {
+      & a {
+        padding: 2px 3px;
+        margin: 0 6px;
+        cursor: pointer;
+
+        &:hover {
+          opacity: 0.7;
+        }
+      }
+
+      & img {
+        height: 20px;
+      }
     }
 
     & h4 {