Upgrade to elastic.v7

go.mod

go.sum

logcat.go

vendor/github.com/mailru/easyjson/.gitignore

vendor/github.com/mailru/easyjson/.travis.yml

vendor/github.com/mailru/easyjson/Makefile

vendor/github.com/mailru/easyjson/README.md

vendor/github.com/mailru/easyjson/go.mod

vendor/github.com/mailru/easyjson/helpers.go

vendor/github.com/mailru/easyjson/jlexer/lexer.go

vendor/github.com/mailru/easyjson/jwriter/writer.go

vendor/github.com/mailru/easyjson/unknown_fields.go

vendor/github.com/olivere/elastic/v7/.gitignore

vendor/github.com/olivere/elastic/v7/.travis.yml.off

vendor/github.com/olivere/elastic/v7/CHANGELOG-3.0.md

vendor/github.com/olivere/elastic/v7/CHANGELOG-5.0.md

vendor/github.com/olivere/elastic/v7/CHANGELOG-6.0.md

vendor/github.com/olivere/elastic/v7/CHANGELOG-7.0.md

vendor/github.com/olivere/elastic/v7/CODE_OF_CONDUCT.md

vendor/github.com/olivere/elastic/v7/CONTRIBUTING.md