APY-85: Move the internationalization scanning to distribution manager

added database functionality for po files
updated internationalization metadata
updated po_file api
removed message, source and file apis from internationlization
removed scanner from internationlization
moved language plugin to ally plugins from superdesk plugins
APY-85: Move the internationalization scanning to distribution manager
cleanup code
added updated version to distribution deploy and service modules
APY-85: Move the internationalization scanning to distribution manager
updated PO file Service
refactored broker
extracted setup.py generation for ui plugins
APY-85: Move the internationalization scanning to distribution manager
renamed superdesk unittests to internationalization
import cleanup
APY-85: Move the internationalization scanning to distribution manager
refactored po_file, po_file_manager, updated API's
APY-85: Move the internationalization scanning to distribution manager

APY-35: Implement PO files management - added catalog manager, modified db_mapping for PO
updated config module in distribution-manager
APY-35: Implement PO files management

added catalog manager
added cdm syncronizer
APY-35: Implement PO files management

cleaning up
Merge branch 'apy-8-implement-x-filter' of https://github.com/cristidomsa/Ally-Py into reInt
APY-35: Implement PO files management

removed polib from catalog_manager
APY-108 : Create content structure for news and package items
APY-85: Move the internationalization scanning to distribution manager
APY-35: Implement PO files management
APY-47: Refactor CDM to include content metadata and make it extensible

Refactoring after code review
removed junk, fixed metadata processing
fixed metadata problems
APY-47: Refactor CDM to include content metadata and make it extensible

removed zip handling from cdm
APY-85: Move the internationalization scanning to distribution manager

moved packageName and PackagePath to contructor for builder, packager, scanner, publisher
fixed imports warnings
APY-85: Move the internationalization scanning to distribution manager

fixed line formating and corrected packager function name
APY-85: Move the internationalization scanning to distribution manager

fixed mkdirs bug
applied review indications
fixed bugs with no module imported for plugin