Adds svg logo for github

Author: Pavithra K

assets/github-logo.svg

@@ -70,10 +70,10 @@
         background: getColor(elephant)
       }
     }
-    
+
     img {
-      vertical-align: middle;
       height: 25px;
+      vertical-align: middle;
       padding-left: 5px;
     }
   }
@@ -92,7 +92,7 @@
       height: 25px;
       vertical-align: middle;
       margin-right: 10px;
-    }
+    }  
   }
 
   &__self-info {

assets/github-mark-32.png

@@ -5,7 +5,7 @@ import * as api from "./api";
 import VoteButton from './button/button';
 import VoteItem from './button/new-button';
 import Influence from './influence.jsx';
-import GithubMark from '../../assets/github-mark-32.png';
+import GithubMark from '../../assets/github-logo.svg';
 
 function updateByProperty(array, property, propertyValue, update) {
   return array.map(item => {

components/vote/app-style.scss

@@ -39,8 +39,8 @@ export default class NewButton extends Component {
     const {color, className, value, myValue} = this.props;
     return voteAppToken ? (<div className="vote-new-button" style={{color: color}}>
     <div className="vote-new-button__arrows">
-      {this.makeTriangle(1, triangleUp, 6, 1)}
-      {this.makeTriangle(-1, triangleDown, 6, 1)}
+      {this.makeTriangle(1, triangleUp, 10, 1)}
+      {this.makeTriangle(-1, triangleDown, 10, 1)}
     </div>
     <div className="vote-new-button__value" title={value + " was voted in total by all users."}>
       <span className={className}>{value}</span>