Update to version 1.1.3

Changelog for GSmartControl 1.1.3:

• Fixed gsmartcontrol-root not launching if GDK_* variables are not set.

Changelog for GSmartControl 1.1.2:

• Fixed gsmartcontrol-root not passing GDK_SCALE and GDK_DPI_SCALE variables to gsmartcontrol when using PolKit.
• Fixed blurriness of icons in the main window with GDK_SCALE=2.
• Tweaked the main window interface.