Supported Window Mode

Supported Window Mode.
Adjustment position is wrong.
Change of sleep time.
If hidden, it is not read the configuration file.
If you adjust the position on Plugin, View to move.
Supported Window Mode
Merge pull request #4 from GB19xx/WindowMode

Window mode
Update README.md
Fixed issue when widget scale is not 100%.
RenderingMode is restored to default value after each rendering.