getSources does not work

[oierlauzi]

Running ./xmipp getSources produces an error due to an unrecognized production parameter. Maybe https://github.com/I2PC/xmipp/blob/b26049d92622e25662f3f6606f1582ff47d4cb0d/xmipp#L374C1-L374C14 should be set to action='store_true'?

[albertmena]

This PR fixed the issue,
#987
I can not reopen it, I will create a new one: #1013

[albertmena]

#1013 fix it