Fixes #21, removes Lynx Viewer link

Removed the link for Lynx Viewer from the toolbar
Fixes #21, remove Lynx Viewer

Fixes #21, remove Lynx Viewer
Fixed #19

Made change to output alert when page contains iframe(s)
Fixed #20

Made changes to allow Remove Images to work again.
Made changes similar to Fix #20

Made changes so Remove CSS Images would work again
Added total count of alt text in output

Updated, so alert output now shows missing alt text count out of total
images, works through iframes as well
Merge pull request #25 from menovak/master

Changes to toolbar, remove Lynx Viewer