Close Procfile and env file after reading.
Close Procfile and env file after reading.

Signed-off-by: Nick Stenning <75ef9faee755c70589550b513ad881e5a603182c@whiteink.com>

nickstenning/honcho,myyk/honcho,nickstenning/honcho,gratipay/honcho,gratipay/honcho,xarisd/honcho,janusnic/honcho