Hook loadUrl, use WebView context

Refs #825
Relative date between parentheses
Fix method names/category
Set user agent before loadUrl

Refs #825
Fix web view constructor name
Fixed setting dangerous restrictions

Closes #876
Filter application details on data usage
Server: get application name from database
Read restart config
Check for restart required

- setRestricted
- deleteRestrictions
Notify if application needs restart
Chain new uncaught exception handlers
Fixed web view usage data

Who changed this? ... oh, it was me ...