Results consistency

[rafamanzo]

We should ensure produced results are consistent within the database:

• Validations
  • Validate ModuleResult presence within a MetricResult
  • Validate ROOT ModuleResult presence within a Processing
  • Validate Processing presence within ModuleResult
  • Validate Processing presence within ProcessTime
  • Validate Repository presence within Processing
  • Validate Project presence within Repository
• Check those new requirements do not raise new issues, if they raise deal with them