autoscaling: Fix launch-config test

The library takes care of b64 encoding it,
but the test wasn't updated to reflect that.
Merge pull request #100 from ambakshi/autoscaling/fix-launch-config-test

autoscaling: Fix launch-config test
sdb: Fix sign() to pass auth.Token as []string
Merge pull request #101 from ambakshi/sdb/fix-sdb-test

sdb: Fix sign() to pass auth.Token as []string