Use tweetnacl-based scalarmult instead of ref.
Merge branch 'master' into shortscalarmult
In sign return signature in array with a new buffer, not as a subarray
of existing signature + message buffer.
Make all tests use minified version.
NodeLogger: exit from process on error.
Test: call log.error once.
Fix link to test in bench.html
Remove useless and incorrect benchmark.
Merge branch 'master' into shortscalarmult

Conflicts:
	nacl.min.js
Merge branch 'master' into shortscalarmult
Merge branch 'master' into shortscalarmult
Merge branch 'master' into shortscalarmult
Build.