GitLab

First batch of Python code standard compliance. Most of these are line length violations.

Differential Revision: https://phabricator.kde.org/D18708

- translate visibile strings in Python plugins
- avoid string puzzles
- avoid extra exclamation marks, since it is not a game
- style fixes

- translate visibile strings in Python plugins
- avoid string puzzles
- avoid extra exclamation marks, since it is not a game
- style fixes

This way, the python plugins aren't hidden underneath the actual
python plugin, making them easier to find and work with.