Merge branch 'feature/copy_documents' into dev

res/ui/identities_tab.ui

res/ui/transactions_tab.ui

src/sakia/core/app.py

src/sakia/core/transfer.py

src/sakia/gui/community_view.py

src/sakia/gui/contact.py

src/sakia/gui/graphs/explorer_tab.py

src/sakia/gui/graphs/graph_tab.py

src/sakia/gui/graphs/wot_tab.py

src/sakia/gui/identities_tab.py

src/sakia/gui/transactions_tab.py

src/sakia/gui/views/nodes/base_node.py

src/sakia/gui/views/scenes/base_scene.py

src/sakia/gui/views/wot.py

src/sakia/gui/widgets/context_menu.py

src/sakia/gui/widgets/search_user.py

...akia/tests/functional/certification/test_certification.py

.../tests/functional/identities_tab/test_identities_table.py

src/sakia/tests/functional/wot_tab/test_wot_tab.py

src/sakia/tests/unit/gui/test_context_menu.py