Created initial folder structure for Greek on lesson 3 / Term 1
Translated step 1 of lesson 3 in Greek
Translated up to step 2 of lesson 3 in Greek
Translated up to step 3 of lesson 3 in Greek
updated language so that it corresponds to the terminology used on the system
Completed Greek translation for lesson 3
reviewed lesson 3 translation and translated the notes for club leaders
Merge remote-tracking branch 'upstream/master'
Started Greek translation on Term 1/Lesson 4
Translated in Greek Term1/Lesson4
Translated in Greek Term1/Lesson4 - Notes for club leaders
Update felix_&_herbert.md
Greek translation of Term 1 / Lesson 1
duplication of en-GB to create fr-FR
Sam translated lesson 6
Added Luxembourgish translation
Removed contrib folder, renamed some folders, removed duplicate lesson 06
Renamed lesson 3
[lb] Added lesson 9
Merge pull request #2 from mweimerskirch/lessons_3_and_9

Lessons 3 and 9