Use Symfony Process TTY detection, handle no-tty gracefully for server command (#3088)
Use Symfony Process TTY detection, handle no-tty gracefully for server command (#3088)

* Do not require TTY to start server

* Use appRoot to determine working directory

* Use the right exception class

* Use process helper in server command

revagomes/DrupalConsole,revagomes/DrupalConsole,revagomes/DrupalConsole