Get metadata for POST upload to accompany the petri gel image

[peristeri]

The information posted:

• the user authentication
• the geo-location
• the image of the water source.
• The description of the water source

Other information once the post is done

• the date and time of image capture

[rocketboy76]

Here is a list of useful variables to include in metadata associated with the photographs:

• Date
• Time (or datetime)
• Sample Source ID #
• Dilution used
• Replicate (Y/N) (would mean is a replicate of the previous sample)
• Latitude
• Longitude (only if available from the phone, otherwise the sample source ID should already have known location)
• Comments