Issue filtering

In this version, filtering in the issue selector is possible. Furthermore, you can specify the maximum number of recently opened issues.

• First version with Ubuntu 14.04 binary
• Windows binary coming soon

Recently opened issues

• Save and load list of recently opened issues
• Only change to worked on status if it is not already selected
• Use Redmine's order for activities and issue statuses
• Use GridLayout instead of SplitView

First running version

First test version.