Maintenance/bugfix release.

## Changelog
### Fixes
- Fixed a crash when trying to show an error message during loading
- Fixed a mistake causing bad detection rate of file/folder junk
- Fixed junk scan for Steam apps detecting shortcuts of other Steam apps
- Fixed library reference issue in StoreAppHelper
### Misc
- Updated libraries

[![Download Bulk Crap Uninstaller at FossHub](https://cloud.githubusercontent.com/assets/14913904/25586209/a84a224e-2e9e-11e7-9332-5f913a9d7cd8.png)](https://www.fosshub.com/Bulk-Crap-Uninstaller.html)