Change python-bitcoinlib URL to Peter Todd's fork from Jeff Garzik's

I've taken over development.
Merge pull request #346 from petertodd/change-python-bitcoinlib-url

Change python-bitcoinlib URL to Peter Todd's fork from Jeff Garzik's
Replace RSS icon by a new flat RSS icon
Move Foundation logo to a separate folder
Minify CSS
0.9.0 release

0.9.0 is final and released.
Fix Windows .zip download link
Update download file sizes
Update windows zip download size
Serve Windows 64bit builds on the download page
Remove unused id attribute
Update Bitcoin Core icon
Drop unused CNAME file
Auto-detect Linux and Ubuntu on the download page
Rename "Bitcoin-Qt" to "Bitcoin Core"
Update wallet links, now they are all HTTPS
Changed some links to use HTTPS and added forobitco.in (spanish forum)
Update some links to use HTTPS
Updated 1 link to use HTTPS
Fixed Reddit using pay.reddit.com for HTTPS