Refactor project structure

app/src/components/Tree/Tree.tsx

@@ -5,7 +5,7 @@ import { AppState } from '../../reducers'
 import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
 import { TopicOrder } from '../../reducers/Settings'
-import { TopicViewModel } from '../../TopicViewModel'
+import { TopicViewModel } from '../../model/TopicViewModel'
 import { treeActions } from '../../actions'
 
 const MovingAverage = require('moving-average')

app/src/components/Tree/TreeNode.tsx

@@ -4,7 +4,7 @@ import TreeNodeSubnodes from './TreeNodeSubnodes'
 import TreeNodeTitle from './TreeNodeTitle'
 import { Theme, withStyles } from '@material-ui/core/styles'
 import { TopicOrder } from '../../reducers/Settings'
-import { TopicViewModel } from '../../TopicViewModel'
+import { TopicViewModel } from '../../model/TopicViewModel'
 
 const debounce = require('lodash.debounce')
 

app/src/components/Tree/TreeNodeSubnodes.tsx

@@ -4,7 +4,7 @@ import * as q from '../../../../backend/src/Model'
 import TreeNode from './TreeNode'
 import { TopicOrder } from '../../reducers/Settings'
 import { Theme, withStyles } from '@material-ui/core'
-import { TopicViewModel } from '../../TopicViewModel'
+import { TopicViewModel } from '../../model/TopicViewModel'
 
 export interface Props {
   animateChanges: boolean

app/src/components/Tree/TreeNodeTitle.tsx

@@ -2,7 +2,7 @@ import * as React from 'react'
 import { connect } from 'react-redux'
 import * as q from '../../../../backend/src/Model'
 import { withStyles, Theme } from '@material-ui/core'
-import { TopicViewModel } from '../../TopicViewModel'
+import { TopicViewModel } from '../../model/TopicViewModel'
 import { Base64Message } from '../../../../backend/src/Model/Base64Message'
 const debounce = require('lodash.debounce')