link downstream packages

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

use HTTPS where available
fix HTML
Removed unneeded slash from atom xml
Update ci-packages.md
Fix syntax highlighting on CI packages page
Add some space after a code snippet
Fix typo in SafeHandle documentation.
Update software.md

Fixed MonoDevelop caps.
Fixed banshee and vistadb links.
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
Update software.md

Fixed VistaDB link.
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.