Add 'Coming Soon' apps.
Add crowdfunding notice to top bar.
Merge pull request #44 from amluto/master

Tighten up the seccomp sandbox
Merge branch 'master' of github.com:sandstorm-io/sandstorm
Indicate devmode apps visually in the picker, and only show devmode actions when in devmode.
Add source links even to 'coming soon' apps.
Keep the mailing list link on /demo after the user has logged in as a demo user.
Add crowdfunding links to front page.
Merge branch 'master' into crowdfunding
Tweak color of in-shell crowdfunding notice.
Make top-left button into a proper link.
supervisor: Block network protocols above AF_NETLINK

libseccomp appears to actively fight back against more specific rules.
supervisor: Finish locking down allowed socket families