Roll infra/go/src/github.com/luci/luci-go/ to ec1daaba359d3fa2a04472dbda01727f0c7e0871.
Roll infra/go/src/github.com/luci/luci-go/ to ec1daaba359d3fa2a04472dbda01727f0c7e0871.

$ git log 93fa2c8f8..ec1daaba3 --date=short --format='%ad %ae %s'
2015-05-22 maruel Make isolate batcharchive --dump-json compatible with python impl.
2015-05-21 maruel Create isolated.Sum() to reduce redundant code.

TBR=tandrii@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1149923004

nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra