Documentation shall include tck validator parameters explanation, including the new validateLegacyIcons

Documentation shall discourage to disable validations but clearly indicate requirements of each elements.

Info to integrate in the doc:

• <talend.validation.locale>root</talend.validation.locale>
  • ??
• validation.model
  • ??
• validation.placeholder
  • Check that all XXXX has a placeholder definition
• validation.documentation
  • Check that all @documentation follow rules
    • is not empty
    • start with Capital letter
    • end with doc
    • is not multiline
• validation.wording
  • ??
• <!-- TODO: replace with a 'validation.svg' -->
  • What about this comment found in connectors-se
• validation.metadata
  • ??
• validation.family
  • Validate family icon
• validation.svg
  • ??
• <validation.failOnInvalidExceptions>
  • If true, any validation failure will block the build.
• talend-component.icon.skip
  • ??
• talend.validation.icons.legacy

• • default false
    • only validate content of icon sub folder dark/light
  • true
    • only validate icon root folder
• validation.serializable
• validation.internationalization
• validation.internationalizationAutoFix
• validation.component
• validation.dataStore
• validation.dataSet
• validation.actions
• validation.layout
• validation.optionNames
• validation.outputConnection
• validation.localConfiguration
• validation.noFinalOption
• validation.exceptions
• validation.record
• validation.schema
• validation.failOnValidateExceptions