Pass on options to clj-http from es-connect

Merge pull request #35 from charles-dyfis-net/use-java-tool-options

Use JAVA_TOOL_OPTIONS in both lein and non-lein cases

Fix up shellcheck warnings in bin/kiries

Update to new Riemann release with Mattermost support

Add ability to bulk index to Elasticsearch 6.x

Remove trialing slash on new redhat repo.

Merge pull request #34 from charles-dyfis-net/add-redhat-repo

Add redhat repository to :repositories in project.clj

Update Riemann

Merge pull request #32 from threatgrid/use-forked-riemann

Update ES bulk response parsing for ES5

Use our forked version or Riemann

Merge pull request #31 from blancas/master

Changes for ES 5