catching exceptions
Merge branch 'future/0.1.0' of github.com:Stratio/stratio-meta into future/0.1.0
catching exceptions in connectorActor
Merge branch 'future/0.1.0' of github.com:Stratio/stratio-meta into future/0.1.0

Conflicts:
	meta-connector/src/main/scala/com/stratio/connectors/ConnectorActor.scala
adding queryId to the messages between the meta coordinator and the meta connector
Merge branch 'future/0.1.0' of github.com:Stratio/stratio-meta into future/0.1.0