Added green color coding for FWHM, ellipticity, and pointing error for when they are ok instead of black.
Fixed bug in which HTML file line return characters were stripped when reading old html file.
Changed color coding to use background color instead of text color.
Change background color to red for FWHM, ellipticity, and pointing error if any are not calculated.
Merge branch 'feature/Green_Color_Coding_of_HTML' into develop