adjust/redismq — pull request #16 by vmihailenco (2014-07-31 14:07:17+00:00)
Title: Upgrade to redis.v2.

This PR upgrades `redismq` to use `gopkg.in/redis.v2` client, which has slightly better API and performance.

```
benchmark old ns/op new ns/op delta
BenchmarkFourCon1k 358506 289836 -19.15%
BenchmarkFourCon4k 527931 522767 -0.98%
BenchmarkFourPub1k 155492 143724 -7.57%
BenchmarkFourPub4k 156171 114447 -26.72%
BenchmarkFourPubFourCon1k 377791 237466 -37.14%
BenchmarkFourPubFourCon4k 616125 611395 -0.77%
BenchmarkSingPubSingCon1k 211092 195290 -7.49%
BenchmarkSingPubSingCon4k 338034 342645 +1.36%
BenchmarkSingleCon1k 191910 166755 -13.11%
BenchmarkSingleCon4k 305657 222370 -27.25%
BenchmarkSingleConMulti1k 10186598 9008015 -11.57%
BenchmarkSinglePub1k 65112 71977 +10.54%
BenchmarkSinglePub4k 111859 91781 -17.95%
```