Added publisher for handling multiple publishers at once
Renamed composite publisher to all-lowercase
Moved settings.json to 'config' folder
Added cache clearing to BlinkCacheWriter
Fixed incorrect disconnection that did nothing and led to duplication
Implementation finished

Added localized strings for policy, support for setting policy via
either localized strings, enum values and enum key strings.
Added loading cache on first policy-change.
Complete support with reporting for manual updating.
Added virtual dtor
Implementation completion

Finished all stuff related to generation, manual update, progress
reporting
Properly providing separate set of covers for mangalist and saving files
Progress-reporting and update policies support
Fixed incorrect typeSpec setting via control widget
Support for choosing selectors
Added gui module to QT
Refactor: removed extra blank line