Merge branch 'hotfix/add_auto_copyright' into develop

* hotfix/add_auto_copyright:
  add auto_copyright
Merge branch 'hotfix/fix_copyright' into develop

* hotfix/fix_copyright:
  fix
Merge remote-tracking branch 'origin/develop' into develop
Merge branch 'master' into develop
Merge branch 'hotfix/change_main_page' into develop

* hotfix/change_main_page:
  add presentations
  edit gitignore to add presentations
  add files for main page
Merge branch 'develop' of github.com:ulmic/nastachku into develop

* 'develop' of github.com:ulmic/nastachku:
  add handling mail error
  change login password from mailtrap
Merge branch 'hotfix/up_coverage' into develop

* hotfix/up_coverage:
  remove somthing
  remove unused functions from lacture model
  add test
  remove unused strings
add welcome index route
Merge branch 'develop'