Add instructions for installing build dependencies on OS X.
Clarify that the note concerning Node.js applies to both platforms.
Move note on node.js dependency before the OS X and debia sections.
Add instructions for MacPorts and links to downloads.
Cross-compile for Android
add ldflags to cross-do script
Use proper TUN device path on Android
Use proper tmp directory on Android
Merge branch 'osx_dependencies' of git://github.com/beala/cjdns into crashey
Node is not built, it is installed only
Merge branch 'feature/xcompile-changes' of git://github.com/nandub/cjdns into crashey
Manually merged android cross-build, thanks Lars Gierth for the patch.
Storing loop-routes is dumb, lets stop doing that.