Spec ruleset

This ruleset strictly follows the specifications. All the rules are of severity error:

• struct
• criteria-unique
• sourceDescription-type
• spot-supported-versions
• workflowId-unique
• stepId-unique
• sourceDescription-name-unique
• sourceDescriptions-not-empty
• workflow-dependsOn
• parameters-unique
• step-onSuccess-unique
• step-onFailure-unique
• requestBody-replacements-unique
• no-criteria-xpath
• criteria-unique