link downstream packages

for Arch, Debian/Ubuntu, Gentoo, openSUSE
Update index.html

use HTTPS where available
fix HTML
Fix typo in SafeHandle documentation.
Merge pull request #23 from txdv/gh-pages

Fix typos in SafeHandle documentation.
Merge branch 'pr22' into gh-pages
Fix HTML and add note to linux distribution packages.
Added missing release dates for Mono versions

Taken from the file dates at http://download.mono-project.com/sources/mono, they should be close enough.

Fixes #9
added redirects for various Moonlight requests
Fix source code links.
Remove unreachable link.
Move comment out of the block.

Because it has whitespace in front of it it will be in a block.
Fix missing links.
Whitespace issues and such.
Remove not useful comment.