Profile View

## Overview

Added **Profile View**.

![profile_view](https://f.cloud.github.com/assets/2914192/1556440/23499688-4ed2-11e3-9256-2fbf484cad46.png)

## Functions on Profile View

1. show user name
2. show the recently messages that the user sent(max 20 messages)
    1. reply to message
    2. remove message(own message only)
    3. respond message
3. send message to the user without input @user manually(actually, show message send panel)
4. send private message to the user without input @user manually(actually, show private message send panel)

## How to show profile view

1. Click **Avator Image** on each timelines
2. Click **User name** on each timelines
3. Click **mention(ex. @bob)** on message

**These triggers are enabled on profile view's recently messages**

## NOT Implemented ( = wish list)

1. Close profile view to push **ESC** key

## Annual excuses

There are similar codes to existing codes.  Need to refactoring in future...