Merge pull request fieldtrip#2487 from mcpiastra/copyFromEDFheader

copying info from header also when unknown channel

better solution to fix regression error, bypassing colororder

skip this test if the OPTIM toolbox is not available

the p-code is too old and fails, moved test script to invalid

ENH - suggested different rendering in multiplot

ENH - write option for csv

made license file name consistent with others

automatically synchronized identical files to f6b4660

ENH - document magscale/gradscale more consistently

FIX - don't put the README, LICENSE and CHANGES in the eeg.json