Related #576 High/Low DPI Adapting

The Qt UI would change the size according to the logical DPI of the computer
Only Windows and Linux have been tested. (Should also work on Mac but have not tested).
The function is unfinished.
Since this is a new file you can follow our newer code standard for imports which lets us use more explicit imports for example:

from PyQt4.QtGui import QPushButton
from PyQt4.QtGui import QWidget


etc....