DATAREDIS-54, DATAREDIS-174, DATAREDIS-129
- Switch to original JRedis for 2.6 support
- Remove base64 encoding as new JRedis supports binary
keys
- Add JredisPool interface to replace removed
JRedisService and pool implementation
- Temporarily switch integration tests to use
non-pooled connections
- Throw more specific Exception on JRedis connection
failures