Remove unnecessary MetaQuery reference
Merge branch 'develop' of github.com:Stratio/stratio-meta into develop
Merge branch 'develop' of github.com:Stratio/stratio-meta into develop
Create classes for sending API commands to the server.
Working on the API actor implementation.
Implement list catalogs and tables in the APIActor
Adding metadata structures
Create Abstract metadata helper to translate db metadata implementations into a generic ones for the API.
Refactor driver to retrieve new generic metadata.
Merge branch 'develop' of github.com:Stratio/stratio-meta into develop
Merge branch 'driver-metadata' into develop

Conflicts:
	meta-core/src/main/java/com/stratio/meta/core/executor/CommandExecutor.java
	pom.xml
Merge branch 'develop' of github.com:Stratio/stratio-meta into develop