Expand filesystem

[bart-man53]

Using raspi-config I was unable to expand the filesystem to the full 16Gb.

[tve]

Oops, I did not see this in a timely manner, I'm sorry for that.
On first boot the data partition is automatically created and extended to fill the SD-Card. You should not need to change any partition sizes. If there is a use-case that is not covered by the default process, let's discuss.