bump go-nsq dep to v0.3.6 stable
bump perks

mostly for the perf improvementsin https://github.com/bmizerany/perks/pull/7

benchmark                               old ns/op     new ns/op     delta
BenchmarkQuery                          691           97.5          -85.89%
BenchmarkQuerySmallEpsilon              44491         6500          -85.39%
BenchmarkInsertBiasedSmallEpsilon       2641          914           -65.39%
BenchmarkInsertTargetedSmallEpsilon     1016          442           -56.50%
BenchmarkInsertBiased                   324           172           -46.91%
BenchmarkInsertTargeted                 294           171           -41.84%
Merge pull request #340 from mreiferson/dep_bumps_340

dependency bump