Feature Improvement

• Improved end class flow to auto set class status to "in progress" and restart a "class status" if previously entered by teacher
• Improved chat "bubble" notification when switching between classroom modes
• Fixed issue with missing tooltips
• Improved UI for network quality indicator
• Fixed typo userid vs user_id in API documentations
• Updated translations: added Swedish and Portuguese
• Improved default whiteboard tool colour, only "bright/high contrast" colours are now used
• Added "settings" panel for student to change classroom settings including media input devices
• Fixed bug with large PDFs - Would temporarily show a page upside down if paginated quickly
• Improved support for Office Documents Word/PowerPoint/Excel 
• Add "canceled by" to indicate who canceled a class.