Added German, Spanish, French, Italian and Portuguese  translation.
Added screenshots to the README.md
Rename folder 'screenshot' -> 'screenshots'
Editing paths to images
Reformatting README.md
Added empty partial view settings
Added basic display settings
Added icon.Changed translation files.
Refactoring code.
Added a filter to the list of users for a workflow.
Added setting the group by. Rename 'label_no_group'->'label_custom_view_assigned_grouping_no_group'.
Refactoring code.
Implemented setting the group by.
Russian translation changed.
German translation changed.
Spanish translation changed.
French translation changed.
Italian translation changed.
Portuguese translation changed.
Merge branch 'feature-plugin-settings' into develop