Console interactions aren't handled when starting a process under the debugger

We don't have a story right now for how console input/output would work if we launched a process under the debugger.

This has two big problems:

1. The program is going to get the input that we want to send to gdb
2. There is no way for the user to send the input they would like to send to their program

Possible implementations that I can think of:

1. Run the program under gdbserver so we can avoid the problem
2. SSH into the box a second time to create a separate terminate, and redirect the output of the program using -inferior-tty-set.
   Ex:
   A. SSH in
   B. Run 'tty' to find out that device id.
   C. Run a program which isn't reading from stdin (ex: sleep)
   D. -inferior-tty-set /dev/pts/6
   E. -exec-run

The issue names no files, tests, or entry points. Start by tracing how MIEngine launches processes under gdb and how terminal input and output are currently routed; compare the proposed gdbserver and separate-terminal approaches. Done means a debugged program can receive its own input and expose its output without interfering with debugger commands.