Add C# 5.0 to About Mono page

Fixes #27
Redirect /downloads to the download page
Only spoke about Novell sponsorship...
Merge pull request #29 from monoman/patch-2

Only spoke about Novell sponsorship...
Fix links pointing to old anonsvn repo

excluded files in folder archived/
Replace references to SVN with git where appropriate

excluded files in folder archived/
Merge pull request #30 from antoniusriha/gh-pages

Fix broken links to anonsvn and update references of source code repo
Add 3.8.0 release notes
Add 3.8.0 to release history
Make 3.8.0 the default release on download page
Fix numbers, and write news post for 3.8.0
Fix Centos repo
Bringing 3.8.0 updates
Trazendo os updates do 3.8.0
Trazendo os updates do 3.8.0