v1.14 - Theme and graph start date

Main new features:
- Search: Improved criteria display and selection
- Statistics: Filter graph on a date range, between start date and today

Full list of updates:
https://github.com/StephaneCouturier/Katalog/issues?q=milestone%3A1.14+sort%3Acreated-asc

Download Katalog:
https://sourceforge.net/projects/katalogg