ValidationQuery adaptation
Merge remote-tracking branch 'origin/future/0.1.0' into future/0.1.0

Conflicts:
	meta-core/src/main/java/com/stratio/meta2/core/query/SelectValidatedQuery.java
Removed MetadataManager Mock
Merge remote-tracking branch 'origin/future/0.1.0' into future/0.1.0
Adapt validation test to new MetadataManager
Merge remote-tracking branch 'origin/future/0.1.0' into future/0.1.0

Conflicts:
	meta-core/src/main/java/com/stratio/meta2/core/validator/Validator.java
Merge remote-tracking branch 'origin/future/0.1.0' into future/0.1.0

Conflicts:
	meta-core/src/main/java/com/stratio/meta2/core/validator/Validator.java