Add SQL dummy data file, update Vagrantfile with allowed IP

devtools/mysql_dummydata.sql

@@ -0,0 +1,11 @@
+-- This should be run only after gochan has been started for the first time 
+-- Also this should only be used in a development environment
+-- mysql -u gochan -D gochan -pgochan < /vagrant/devtools/mysql_dummydata.sql
+
+INSERT INTO gc_threads (board_id) values(1);
+INSERT INTO `gc_posts` (
+	`thread_id`,`ip`,`name`,`tripcode`,`email`,`subject`,`message`,`message_raw`
+) VALUES (
+	1,'192.168.56.1','Name','Tripcode','email@email.com','Subject','Message<br /><b>bold text</b>','Message
+[b]bold text[/b]'
+);