* data/ui/SoftwareStore.ui: - add menu shortcuts (thanks to seb128) * show loading animation when fetching screenshots (thanks to rugby471) * softwarestore/app.py: - fix crash when searching in sub-categories * softwarestore/view/appdetailsview.py: - add workaround for missing xpm rendering with webkit - scale icons to default icon size - fix icon loading from the custom icon path * softwarestore/app.py: - when started multiple times, focus the already running one