committing changes to mass scan. Making colour of band match signal injected, fixing position of 1 and 2 sigma lines, changing parabolic fit slightly to be more correct
first attempt at channel label
saving p-value changes
changing position of 1 and 2 sigma labels slightly
drawing parabolic curve only in fit range
Merge pull request #299 from rcl11/cosmetics_fixed

Cosmetics for paper for second CWR