Merge pull request #130 from skaldarnar/develop

GUI-Tweaks
Versioning (first step)
Versioning (little fix)
Sort and optimize bundle properties
Delete unused images
Remove URLs from tooltip properties
Change some labels (de, en)
Update bundle properties (de, en)
Replace downloadDirectory with tempDirectory
Update date format (ISO)
Show launcher installation directory before update
Version 1.0.0-beta-1