App Version 0.8.2

Changes in this minor release:

• Added loading screen when waiting to log in and connecting to robot
• Added loading wheel component when waiting for fetched content
• Fixed robot usage bar diagram by using the duration value of each measurement
• Added login prompt for content, inaccessible to Guest user
• Fixed issue with incorrect formatting of the disease modals

Code refactoring and joystick control to be added in 0.8.3, 0.8.4