pnacl low hanging fruit. Fixes #96
pnacl followup
pkg/crypto/sha1: Better shadowing of original std go package.
Merge pull request #97 from quarnster/pnacl

pnacl low hanging fruit. Fixes #96
Fixed handling of nil literals, llgo is able to compile the runtime again.
Merge pull request #104 from antongulenko/master

Fixed handling of nil-literals
Update to latest go/types
cmd/llgo-build: compile C output to workdir
Merge branch 'master' into ssa

Conflicts:
	check.go
	cmd/llgo-dist/buildruntime.go
	compiler.go
	expr.go
	importer/exports.go
	typemap.go
	value.go
cmd/llgo-dist: fix merge blunder