more Community Day nagios plugins

courtesy of Michael Tate

Signed-off-by: Jason Etheridge <jason@esilibrary.com>
fix return type of two collectionHQ functions

The write_*_rows_to_stdout() functions return nothing, so
set the return type accordingly to avoid
"control reached end of function without RETURN" warnings.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
use passive mode to upload to CollectionHQ

Signed-off-by: Galen Charlton <gmc@esilibrary.com>