Installation and DB Connections improved.
- [Fixed] Error when curl is not installed, now we use wget everywhere.
- [Fixed] Version number not updated in config file after update.
- [Fixed] Installation file not deleted in some cases.
- [Fixed] Syntax error in DB connection timeout settings.
- [Fixed] Delete DB in remote server not working in some cases.
- [Improved] Install mysql-client instead show an error when trying to delete remote DB.
- [Improved] Now we can install beta versions for testing and dev.
- [Improved] Check for duplicate dbname.