Implement or fix several Terminal reporting sequences.
|Reported by:||joshe||Owned by:||anevilyak|
|Has a Patch:||no||Platform:||All|
Attached is a patch which:
Implements DA, reporting that the terminal is a VT102.
Implements DEXREQTPARM, reporting the same parameters that xterm does.
Fixes DSR 6 to actually report the position of the cursor.