translated the remaining german notes, python comments, help and messages to english (in-game strings, parsed report lines and cli values stay german)

tools/vorschau/strats_json.py

@@ -1,4 +1,4 @@
-# Strat-Positionen eines Levelskripts als JSON (fuer Marker im Blender-Render)
+# strat positions of a level script as JSON (for markers in the Blender render)
 import sys, json, os
 sys.path.insert(0, 'tools')
 import levelbuild as LB