[IGSSTATION-6539] AQUI, ELBA and GENO avaiable again

[GeoDAF]

Author: Giuseppe Colucci

On Doy 2016/056, data flow from these stations resumed after a break due 
to a receiver (Trimble 4700) firmware issue.
A software work around was setup in order to correct wrong dates into 
data files.

Plan to replace GPS receivers with modern GNSS receivers for these 
stations is still on going.

Best regards,
Giuseppe Colucci