A long-overdue performance update. And, of course, more bugfixes!

### Changelog
#### Improvements
- Pressing escape in search field focuses the application list
- Moved bug reoporting initialization earlier to catch more potential errors
- Lowered rating cache update rate
- Added missing pieces of translation updates
- Added extra info to errors in SeparateNonDottedCommand
- Changed log timestamps to utc for better performance
#### Performance
- Big speedup of merging results during loading
- Speedup of junk detection
- Speedup of list rendering; Faster rendering of rating column
- Small speedup of list item sorting
- Small speedup of app executable detection
- Improved rating download speed, less load on the server
#### Fixes
- Fixed nullref crash in LoadingDialog.OwnerOnMove
- Fixed synchronization exception when coyping error to clipboard
- Fixed BCU's own uninstaller showing on the application list
- Fixed crash on invalid rating cache
- Fixed access denied crash in link junk search
- Fixed crash when quitting right after sorting
- Fixed rating manager connecting to db even though it has nothing to send
- Fixed logging crash when main thread exits first
- Fixed error in portable version if CleanLogs.bat is missing
- Fixed layout of feedback box for some translations

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