Version 1.7.4

Merge pull request #140 from n1analytics/release-v1.7.4

Release v1.7.4

Version 1.7.3

Deployment and documentation sprint.

• Fixes a bug where only the top k results of a chunk were being requested from anonlink. #59 #84
• Updates to helm deployment templates to support a single namespace having multiple entityservices. Helm
  charts are more standard, some config has moved into a configmap and an experimental cert-manager
  configuration option has been added. #83, #90
• More sensible logging during testing.
• Every http request now has a (globally configurable) timeout
• Minor update regarding handling uploading empty clks. #92
• Update to latest versions of anonlink and clkhash. #94
• Documentation updates.