Merge branch 'master' into dn-particle-plugin

.gitignore

CHANGELOG.md

Godeps

README.md

accumulator.go

agent/accumulator.go

agent/agent.go

circle.yml

cmd/telegraf/telegraf.go

docs/AGGREGATORS_AND_PROCESSORS.md

docs/CONFIGURATION.md

docs/FAQ.md

docs/LICENSE_OF_DEPENDENCIES.md

docs/WINDOWS_SERVICE.md

etc/telegraf.conf

filter/filter.go

internal/config/config.go

metric.go

metric/parse.go

metric/reader_test.go