colNames correction

The column names were prefixed with "avg_" since they are actually the
mean of the original values.
initial commit

swapped for the same file named .txt instead. So I don't get penalized
by overly harsh peers for not having the file named .txt - they are very
harsh.
Merge remote-tracking branch 'origin/master'

Conflicts:
	tidyset.txt
Merge remote-tracking branch 'origin/master'