Process configure community

res/ui/community_cfg.ui

src/cutecoin/core/__init__.py

src/cutecoin/core/account.py

src/cutecoin/core/app.py

src/cutecoin/core/community.py

src/cutecoin/core/net/__init__.py

src/cutecoin/core/net/node.py

src/cutecoin/gui/community_tab.py

src/cutecoin/gui/process_cfg_account.py

src/cutecoin/gui/process_cfg_community.py