Added requires.io badge.
Merge pull request #1974 from jezdez/requires-badge

Added requires.io badge.
Merge pull request #1971 from darkwing/mobile-word-break-963973

fix bug 963973 - Add word break to headings on mobile
Merge pull request #1972 from darkwing/homepage-seo

fix bug 967464 - Add SEO description to the homepage
Merge pull request #1976 from darkwing/menu-arrows-957298

fix bug 957298 - Show navigation arrows persistently
fix bug 967956 - Using hardcoded URL for homepage