sync_exercise_branches.txt

git checkout exercise_1_specs
git rebase master
git checkout exercise_1_solution
git rebase exercise_1_specs

git checkout exercise_2_specs
git rebase exercise_1_solution
git checkout exercise_2_solution
git rebase exercise_2_specs

git checkout exercise_3_specs
git rebase exercise_2_solution
git checkout exercise_3_solution
git rebase exercise_3_specs

git checkout exercise_4_specs
git rebase exercise_3_solution
git checkout exercise_4_solution
git rebase exercise_4_specs

git checkout master
git push origin master
git push -f origin exercise_1_specs
git push -f origin exercise_1_solution
git push -f origin exercise_2_specs
git push -f origin exercise_2_solution
git push -f origin exercise_3_specs
git push -f origin exercise_3_solution
git push -f origin exercise_4_specs
git push -f origin exercise_4_solution