x86 support
Declare superuser permission
Revert "x86 support"

This reverts commit f30893f14f52a712a38aa3f9b1d020ebfe55d2fd.

This is still too experimental (especially with regards to JIT) and not
ready for a proper release. We can add it back later, possibly with
updated binaries.
Merge branch 'master' into downloader