Change README
Rename notes
Rename testbed/ to src/

--HG--
rename : testbed/__init__.py => src/__init__.py
rename : testbed/config.py => src/config.py
rename : testbed/config/keybindings.yaml => src/config/keybindings.yaml
rename : testbed/escudo.py => src/escudo.py
rename : testbed/gui/__init__.py => src/gui/__init__.py
rename : testbed/gui/keybinding.py => src/gui/keybinding.py
rename : testbed/gui/keycombination.py => src/gui/keycombination.py
rename : testbed/gui/keyconstants.py => src/gui/keyconstants.py
rename : testbed/gui/keyutils.py => src/gui/keyutils.py
rename : testbed/gui/textedit.py => src/gui/textedit.py
rename : testbed/main.py => src/main.py
rename : testbed/state.py => src/state.py
rename : testbed/utils/__init__.py => src/utils/__init__.py
rename : testbed/utils/context.py => src/utils/context.py
rename : testbed/utils/dictutils.py => src/utils/dictutils.py
rename : testbed/utils/evalutils.py => src/utils/evalutils.py
rename : testbed/utils/fsutils.py => src/utils/fsutils.py
rename : testbed/utils/listutils.py => src/utils/listutils.py
rename : testbed/utils/strutils.py => src/utils/strutils.py
Remove the redundant __init__.py