Fix bug on comment delete. reviewed by redding.

@@ -467,10 +467,10 @@ export default class SubjectPost extends Component {
     }
 
     renderDeleteCommentButton(commentUserId,id) {
-        if (this.props.dataBlob.header.LZ||(commentUserId == this.props.cidFrom)) {
+        if (this.props.dataBlob.header[0].LZ||(commentUserId == this.props.cidFrom)) {
             return(
                 <TouchableOpacity
-                    style={{width:20,height:20}}
+                    style={{width:80,height:30,alignItems:'flex-end'}}
                     onPress={()=>{
                         this.props.onPressDeleteComment&&this.props.onPressDeleteComment(id);
                     }}

@@ -117,7 +117,7 @@ export default function postingReducer(state = initialState, action) {
             .set('isIndexTop',isIndexTop)
             .set('postsTitle',postsTitle)
             .set('praise',praise)
-            .set('praiseUsers',Immutable.fromJS(praiseUsers))
+            .set('praiseUsers',Immutable.fromJS(praiseUsers.reverse()))
             .set('publishTimeString',publishTimeString)
             .set('shareProductSkn',shareProductSkn)
             .set('LZ',LZ)
@@ -240,7 +240,7 @@ export default function postingReducer(state = initialState, action) {
             let {sid,json} = action.payload;
             let item = state.items.get(sid);
             let users = item.praiseUsers.toJS();
-            let newUsers = [{headIcon:json},...users];
+            let newUsers = [...users,{headIcon:json}];
             item = item.set('hasPraise','Y').set('praiseUsers',Immutable.fromJS(newUsers));
             let nextState = state.setIn(['items', sid], item);
             return nextState;