merge organizations and businesses together
clean useless files, optimize graphics, improve a few texts
add wallets descriptions (fixes #10)
add a note about initial sync in download page
improve mining definition
add link to the FSF and use "free open source" (fixes #11)
Merge branch 'master' of https://github.com/bitcoin-org/bitcoin.org
various text improvements
fixes a few mistakes
rewrite the "offline backup for savings" part
improve bitcoin mining explanations
clean javascript and polish scroll effect
polish and translate bitcoin at a glance picture
add clients OS compatibility icons
initial port of bitcoin wiki FAQ (fixes #7)
remove faq link until it is ready
add nice icons for the "choose your wallet" section
minor fixes
improve "how it works" page introduction
add links to vocabulary page and fix style of the developers list
polish online wallets icon border
make clear that online wallets are risky
improve lists style
add nice icons
second batch of new icons
add shield icon