• fix temperature converting (#67)
• add a dashboard to CPU popup (move chart below, add circle chart in the dashboard)
• add temperature circle chart to the CPU popup
• update dashboard in Memory popup
• rename History to Usage history
• rename Disk widget to Memory
• add Memory widget to RAM module
• write Disks reader from scratch
• add disk read/write state to popup
• add chart (usage history) to Network popup (#66)
• add color upload/download identification to the Network popup