Merge pull request #107 from codecleaner/lesson_formatter

Lesson formatter version of Ghostbusters
Merge pull request #108 from codecleaner/lesson_formatter

Fixes in polish version of Felix&Herbert and Ghostbusters
Merge pull request #109 from codecleaner/lesson_formatter

Lesson formatter version of Fireworks & some fixes
Merge pull request #110 from codecleaner/lesson_formatter

Fireworks - added screenshot (in pl-PL) and fixes in leaders' notes (both pl-PL and en-GB)
Merge pull request #111 from codecleaner/lesson_formatter

Fixed scratch block and translations in polish Ghostbusters
scratch lessons nb_NO
add nb-NO Scratch
manifest
add flappy parrot
#114 - fix end block
#113 add materials for fireworks
rename file