get mtproto proxies ping for connect to telegram

• send proxies to telegram channel with bot
• pinging proxies in every time
• delete bad proxies
• restful api for use proxies in another application

1. edit includes/base.php for update settings
2. edit includes/sql.php for update database connection
3. import ./import.sql in your mysql
4. set 5 minuts cronjob in cron.php