Created MPTemplateDefaultValuesLoader

Created MPTemplateDefaultValuesLoader which reads default values from a configuration file and populates model with them.
Start MultipleProviderTemplate from scratch.
Suggestor for physical and logical infrastructure in mp template.

Created MPTemplateSuggestor which suggests default values.
MultipleProviderTemplate uses MPTemplateSuggestor to get suggestions.

Suggestion for logical infrastructure is supported given a complete physical one (assuming this is true right now).
Merge pull request #525 from isartcanyameres/feature/mp-suggestor

Feature/mp suggestor