Added support for r2,f2,d, and r.
r is not yet working.
Added support for standard.
Added GPL
Realligned code.
Hide the f2 coefficient input when unneeded.
Fixed default values for radio buttons.
Changed Title.
Added authorship and github page.
Added tab for downloading plot.
Added infrastructure for downloading plot.
Added ability to download plot.
Fixed the inability to only plot power or df guides.
Added support for 'r'.
Merge branch '2.0'