Code tidy-up and better name for label container class

src/components/structures/RoomSubList.js

@@ -79,7 +79,6 @@ var RoomSubList = React.createClass({
         incomingCall: React.PropTypes.object,
         onShowMoreRooms: React.PropTypes.func,
         searchFilter: React.PropTypes.string,
-        headerStack: React.PropTypes.func,
     },
 
     getInitialState: function() {
@@ -407,7 +406,7 @@ var RoomSubList = React.createClass({
         }
 
         return (
-            <div className="mx_RoomSubList_stickyContainer">
+            <div className="mx_RoomSubList_labelContainer">
                 <div onClick={ this.onClick } className="mx_RoomSubList_label">
                     { this.props.collapsed ? '' : this.props.label }
                     <div className="mx_RoomSubList_roomCount">{roomCount}</div>

src/skins/vector/css/vector-web/structures/RoomSubList.css

@@ -20,7 +20,7 @@ limitations under the License.
     width: 100%;
 }
 
-.mx_RoomSubList_stickyContainer {
+.mx_RoomSubList_labelContainer {
     height: 29px;
     position: relative;
 }