message: Add manage stickerpacks link
diff: @@ -56,12 +56,19 @@ export default class Stickerpack extends React.Component {
  // Load stickerpack content
  if (stickerpackWidget && stickerpackWidget.content && stickerpackWidget.content.url) {
  - stickersContent = <div
  + stickersContent = (
  + <div
  + style={{
  + overflow: 'hidden',
  + height: '300px',
  + }}
  + >
  + <div
  id='stickersContent'
  className='mx_StickersContent'
  style={{
  border: 'none',
  - height: this.popoverHeight,
  + height: this.popoverHeight - 30,
  width: this.popoverWidth,
  }}
  >
  @@ -78,7 +85,21 @@ export default class Stickerpack extends React.Component {
  show={true}
  showMenubar={false}
  />
  - </div>;
  + </div>
  + <div style={{
  + height: '20px',
  + position: 'absolute',
  + bottom: '5px',
  + right: '19px',
  + width: '263px',
  + textAlign: 'right',
  + padding: '5px',
  + borderTop: '1px solid #999',
  + }}>
  + Add sticker packs
  + </div>
  + </div>
  + );
  } else {
  // Default content to show if stickerpack widget not added
  stickersContent = <p>Click here to add your first sitckerpack</p>;
  