Squashed 'moose-gui/' changes from 6104940..d282884

d282884 specific math functions are imported
16439cc checked for Qt_Version and icon takes config.settings
cecb74c resize qObject if change in text size

git-subtree-dir: moose-gui
git-subtree-split: d282884250997aa6cc1154b6ba93fee6c3ccc630