Fix issue botman#19, question buttons response in wrong format

Update BotFrameworkDriver.php to correct regex pattern
Update BotFrameworkDriverTest.php it_interactive_responses_correctly to correct hardcoded format expected
Set version number for mockery/mockery as doesn't support phpunit 5

.gitignore

@@ -2,4 +2,5 @@
 .DS_Store
 composer.lock
 .php_cs.cache
-/vendor/
+/vendor/
+.discovery/

composer.json

@@ -23,7 +23,7 @@
         "botman/studio-addons": "~1.0",
         "illuminate/contracts": "~5.5.0",
         "phpunit/phpunit": "~5.0",
-        "mockery/mockery": "dev-master",
+        "mockery/mockery": "~1.3",
         "ext-curl": "*"
     },
     "autoload": {

src/BotFrameworkDriver.php

@@ -52,7 +52,7 @@ public function matchesRequest()
     public function getConversationAnswer(IncomingMessage $message)
     {
         if (false !== strpos($message->getText(), '<botman value="')) {
-            preg_match('/<botman value="(.*)"><\/botman>/', $message->getText(), $matches);
+            preg_match('/<botman value="(.*)" \/>/', $message->getText(), $matches);
 
             return Answer::create($message->getText())
                 ->setInteractiveReply(true)

tests/BotFrameworkDriverTest.php

@@ -534,7 +534,7 @@ public function it_interactive_responses_correctly()
             ],
         ]);
 
-        $text = 'I use botman with Skype<botman value="yes"></botman>';
+        $text = 'I use botman with Skype<botman value="yes" />';
         $message = new IncomingMessage($text, '29:2ZC81QtrQQti_yclfvcaNZnRgNSihIXUc6rgigeq82us', '29:2ZC81QtrQQti_yclfvcaNZnRgNSihIXUc6rgigeq82us');
 
         $answer = $driver->getConversationAnswer($message);