Update ReadMe File.

Fix Version number in about panel

Update to Read me file

Added following Sensors.
    Cpu Temperatures
    Gpu Load
    Gpu memory
    Gpu Temperature

General code improvements.
Better Tooltip formating.
Added option to show peak values.

Change plotter smoothing strength

Revert plot history change, using too much CPU.

Rewritten to use new sensor API.
Improved plotter smoothing, doubled amount of plot history.

# Conflicts:
#	CHANGELOG