Browsing Serbian translation

Translators: Used to convey job progress where the amount of bytes to process is known.
*              The first %s is the amount of bytes processed (ex. "650 MB").
*              The second %s is the total amount of bytes to process (ex. "8.5 GB").
*              The third %s is the estimated amount of time remaining including speed (if known) (ex. "1 minute remaining", "5 minutes remaining (42.3 MB/s)", "Less than a minute remaining").