console: rename backend_pid to remote_pid

This corresponds better to current implementation,
as now client pid is also shown correctly.
Add newline at the end of the PID file

This is standard for PID files elsewhere, and makes it behave better
when inspecting the file manually.
Merge pull request #13 from petere/pidfile-newline

Add newline at the end of the PID file
Fix deallocate_all() in FAQ

8.1 requires loop var to be record.

Reported-by: Christopher Causer
Fix incorrect keyword in example config file
Merge pull request #14 from mhagander/typofix

Fix incorrect keyword in example config file
Merge branch 'master' of git://github.com/markokr/pgbouncer-dev