Change call template

```
$ vim app/views/index.scala.html
$ vim app/views/main.scala.html
```
Add users_controller

```
$ vim app/controllers/Application.scala
$ vim app/controllers/Users.scala
```
Add usersView

```
$ vim app/views/index.scala.html
$ vim app/views/users/index.scala.html
```
Add users routeing

```
$ vim conf/routes
```
Show singin twitter_id

```
$ vim app/views/idList.scala.html
$ vim app/views/main.scala.html
```
Add column image_url to user table
Add userCount method

```
$ vim app/controllers/Users.scala
```
Add idList view

```
$ vim app/views/idList.scala.html
$ vim app/views/main.scala.html
$ vim app/views/users/index.scala.html
```
Merge branch 'show_user_count'