Issue: added #remarks and #add_remark
AuditStore: Only variations should have remarks, not the container Issue
Framework#auditstore: No-longer deep-clones the module results before padding them to AuditStore.new
timing_attacks meta-analysis plugin: Updated to add a remark to the issues it filters
timing_attack meta-analysis plugin: updated spec to check the first variation for remarks
discovery meta-analysis plugin:
  * Updated to add remarks to logged issues
  * Added spec

  [Issue #209]