Better warning when jinja template is not found
Say explicitly what template wasn't found where
Add missing newlines in output for processes with long output.

Related: https://bugzilla.redhat.com/show_bug.cgi?id=1061207
Add forgotten fixture file
Merge pull request #148 from jkoncick/master

Fix some gui issues
Only override sigint handler in path_runner, not on devassistant import.
Add progress to install_requires
Fix Github remote key reading with PyGithub 1.23.0
Improve description for modifier assistants
Override the sigint handler sooner than in path runner for few reasons:

- it's better to have it sooner :)
- in path_runner, it's executed in non-main thread, so it fails