fix PSR2 standart, add demo bot, add library structure

.gitignore

@@ -5,3 +5,4 @@ composer.lock
 .idea
 .DS_STORE
 /examples/config.php
+.php_cs.cache

README.md

@@ -1,6 +1,10 @@
 # PHP sdk for Viber api
 
+[![Build
+Status](https://secure.travis-ci.org/Bogdaan/Distance.png)](http://travis-ci.org/Bogdaan/viber-bot-php)
+
 Library to develop a bot for the Viber platform. [Create you first Viber bot setp by step](docs/first-steps.md)
+See demo at [viber chat](viber://pa?chatURI=viber-bot-php&context=github.com)
 
 ## Installation
 
@@ -53,6 +57,53 @@ try {
 
 See more in **examples** directory.
 
+## Library structure
+
+```
+.
+├── Api
+│   ├── Entity.php               
+│   ├── Event                     # all remote events ("callbacks")
+│   │   ├── Conversation.php      # fires when user open 1v1 chat
+│   │   ├── Delivered.php         # fires when message delivered (for each device)
+│   │   ├── Factory.php           # Event factory
+│   │   ├── Failed.php            # fires when delivery failed (for each device)
+│   │   ├── Message.php           # fires when user send message
+│   │   ├── Seen.php              # fires when user read message (for each device)
+│   │   ├── Subscribed.php        # fires when user subscribe to PA
+│   │   ├── Type.php              # available types
+│   │   └── Unsubscribed.php      # fires when user unsubscribed
+│   ├── Event.php                 # base class for all events
+│   ├── Exception                 #
+│   │   └── ApiException.php      # remote or logic error
+│   ├── Keyboard                  #
+│   │   └── Button.php            # all types of buttons here
+│   ├── Keyboard.php              # button container
+│   ├── Message                   #
+│   │   ├── Contact.php           #
+│   │   ├── Factory.php           #
+│   │   ├── File.php              #
+│   │   ├── Location.php          #
+│   │   ├── Picture.php           #
+│   │   ├── Sticker.php           #
+│   │   ├── Text.php              #
+│   │   ├── Type.php              # available message types
+│   │   ├── Url.php               #
+│   │   └── Video.php             #
+│   ├── Message.php               # base class for all messages
+│   ├── Response.php              # wrap api response
+│   ├── Sender.php                # represent bot-sender
+│   ├── Signature.php             # signature helper (verify or create sign)
+│   ├── User                      #
+│   │   └── State.php             # user state (online/offline etc)
+│   └── User.php                  # viber user
+├── Bot                           #
+│   └── Manager.php               # manage bot closures
+├── Bot.php                       # bot class
+└── Client.php                    # api client
+```
+
+
 ## Read more
 
 - [Create you first Viber bot](docs/first-steps.md)

src/Api/Entity.php

@@ -66,7 +66,7 @@ public function toApiArray()
         foreach ($entity as $name => &$value) {
             if (is_null($value)) {
                 unset($entity[$name]);
-            } else if ($value instanceof Entity) {
+            } elseif ($value instanceof Entity) {
                 $value = $value->toArray();
             }
         }

src/Api/Event/Delivered.php

@@ -27,5 +27,4 @@ public function getUserId()
     {
         return $this->user_id;
     }
-
 }

src/Api/Event/Failed.php

@@ -45,6 +45,4 @@ public function getDsc()
     {
         return $this->dsc;
     }
-
-
 }

src/Api/Event/Seen.php

@@ -26,5 +26,4 @@ public function getUserId()
     {
         return $this->user_id;
     }
-
 }

src/Api/Event/Subscribed.php

@@ -18,13 +18,12 @@ class Subscribed extends Event
     protected $user;
 
     /**
-     * Get the value of Viber user 
+     * Get the value of Viber user
      *
      * @return \Viber\Api\User
      */
     public function getUser()
     {
         return $this->user;
     }
-
 }

src/Api/Event/Unsubscribed.php

@@ -27,5 +27,4 @@ public function getUserId()
     {
         return $this->user_id;
     }
-
 }

src/Api/Keyboard.php

@@ -140,5 +140,4 @@ public function setDefaultHeight($DefaultHeight)
 
         return $this;
     }
-
 }

src/Api/Message.php

@@ -197,5 +197,4 @@ public function setKeyboard(\Viber\Api\Keyboard $keyboard)
 
         return $this;
     }
-
 }

src/Api/Message/Contact.php

@@ -93,5 +93,4 @@ public function setPhoneNumber($phone_number)
 
         return $this;
     }
-
 }

src/Api/Message/File.php

@@ -126,5 +126,4 @@ public function setFileName($file_name)
 
         return $this;
     }
-
 }

src/Api/Message/Picture.php

@@ -120,5 +120,4 @@ public function setThumbnail($thumbnail)
 
         return $this;
     }
-
 }

src/Api/Message/Sticker.php

@@ -61,5 +61,4 @@ public function setStickerId($sticker_id)
 
         return $this;
     }
-
 }

src/Api/Message/Text.php

@@ -59,5 +59,4 @@ public function setText($text)
 
         return $this;
     }
-
 }

src/Api/Message/Url.php

@@ -59,5 +59,4 @@ public function setMedia($media)
 
         return $this;
     }
-
 }

src/Api/Message/Video.php

@@ -155,5 +155,4 @@ public function setThumbnail($thumbnail)
 
         return $this;
     }
-
 }

src/Api/Response.php

@@ -4,7 +4,6 @@
 
 use Viber\Api\Exception\ApiException;
 
-
 /**
  * Manage backend response, translate api error ot exception
  *

src/Api/Sender.php

@@ -124,5 +124,4 @@ public function setAvatar($avatar)
 
         return $this;
     }
-
 }

src/Api/User.php

@@ -220,5 +220,4 @@ public function getMnc()
     {
         return $this->mnc;
     }
-
 }

src/Bot.php

@@ -116,7 +116,7 @@ public function onSubscribe(\Closure $handler)
      */
     public function onConversation(\Closure $handler)
     {
-        $this->managers[] = new Manager(function(Event $event) {
+        $this->managers[] = new Manager(function (Event $event) {
             return ($event instanceof \Viber\Api\Event\Conversation);
         }, $handler);
         return $this;