Merge pull request #1 from pepness/master

Merge final commits
Update final version of lesson_1_reflections file

Better translation of answer 3
Update final version of lesson_2_reflections file

Better translation of answer 1 and 4
Update final version of lesson_3_reflections file

Rewrite answer 1
Improve answers 2 and 5
Merge pull request #2 from pepness/english

Merge final commits to the master branch