Revert "fixed a broken link"

This reverts commit 626632d5c5fa60066ca88f32f45d779831892a97.
Revert "renamed about.html -> index.html"

This reverts commit b732e878b2764a1644458806d1b56bde2168e3ff.
Revert "renamed html page names"

This reverts commit 9ce6f426d42cce98e3caa9e8ef3c6320a44ae69e.
Revert "re-added getting started section (to docs.html)"

This reverts commit deb91b1c3cf59d7b714e8b416457409baa0fe9df.
Revert "updated documentation and download pages"

This reverts commit 8582ce7c9cee7e3bc2cbc8f63f8ebee957e82230.