Fix Data Processing image registry

The icon has been updated to work wiith bootstrap 3.

Change-Id: Ib53f6c08d69a32bac0cacd010bc9e7bb9651bb6f
Closes-Bug: #1352813
Add Data Processing missing translations

Some labels were missing translation blocks.

Change-Id: Ia2babb5d4eb3830c2e093f773bd5c75f087941b6
Refactor network topology JSONView class

This commit splits JSONView.get() method into submethods per resources.
It helps us when we add a config option to disable Router panel.

Unit tests for network topology JSONView is added to check the
refactoring doesn't introduce a regression.

Part of blueprint hide-router-panel-by-config
Change-Id: I859b8dd5fcdf86ddd25e91f8eba28ba6f4406a45
Merge "Add Data Processing missing translations"
Merge "Refactor network topology JSONView class"
Merge "Fix Data Processing image registry"