Please add network labels to Power2011 coordinates file

[tomug]

- This file is the same sorting and has labels, please add the labels to the current power2011_MNI_VOI.txt: https://github.com/brainspaces/power264/blob/master/power264CoorMNI.sclib
   
- Alternatively, this file has the labels and ROI number after “_” corresponding to the numbers in the current power2011_MNI_VOI.txt file: https://github.com/brainspaces/power264/blob/master/power264NodeNames.txt

[synchon]

I do not wish to break compatibility so will create a new file with this variant, will be exposed separately in junifer as well.