website updates for the 0.8 release.

Change-Id: I739741ae89954ef755ea624475de0eb113b8edee
tagging 0.8

Change-Id: I0aaed33cb582a7b2aeecacd33e70ee5effda86c2
Merge branch 'master' of https://camlistore.googlesource.com/camlistore
re-tag 0.8

Change-Id: Ibbeb9027fd5719a8faca915a32207564041dce7d