gitignore: Add gitignore file

Signed-off-by: Sean Cross <xobs@kosagi.com>
debian: Move from systemd to upstart

Signed-off-by: Sean Cross <xobs@kosagi.com>
debian: Remove build directory on clean

If the build directory is left around, builds are no longer idempotent.

Signed-off-by: Sean Cross <xobs@kosagi.com>