comment out varbose log

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
fix reference error

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
fix reference error to python in main.py

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
fix counter property reference error

now reference notation is implicit by id.property

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
add linefeed on credit screen

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
add class diagram in doc folder

Signed-off-by: Hiroshi Miura <miurahr@linux.com>