Countly Web SDK 20.04

• Add APM plugin which uses boomerang js for reporting performance
• Add basic performance trace reporting option
• Add device orientation reporting
• Add feedback button size support
• Add method to report feedback directly without dialog (for custom UI)
• Allow adding and enriching metrics data
• Allow providing custom headers in requests
• Allow providing custom segments for view tracking
• Crashes use a new way to record view name correctly
• Fixed bug of removing feedback sticker in some cases
• Fixed cross tab syncing when using namespaces
• Limited array modification amount when syncing requests for performance
• More error-prone storage clearing (in case of multi-tab data syncing)
• Removed unsafe innerHTML assignments