Merge pull request #9 from wtogami/master

Improve README.md to describe exactly how anyone can participate
Luke 0.8.4rc1
0.8.4rc2 sigs from gavin
Luke 0.8.4rc2
michagogo's gitian sigs for 0.8.4rc2
Merge pull request #10 from Michagogo/master

michagogo's gitian sigs for 0.8.4rc2
laanwj's sigs for 0.8.4rc2
Luke 0.8.4
michagogo's gitian sigs for 0.8.4
Merge remote-tracking branch 'upstream/master'
Merge pull request #11 from Michagogo/master

michagogo's gitian sigs for 0.8.4
wtogami's gitian sigs for 0.8.4