Merge branch 'hotfix/add_users_number_to_main_pag' into develop

* hotfix/add_users_number_to_main_pag:
  add users_count
add dolphin.directory files to .gitignore
add new background
Merge branch 'hotfix/new_background'

* hotfix/new_background:
  add new background
  add dolphin.directory files to .gitignore
Merge branch 'hotfix/new_background' into develop

* hotfix/new_background:
  add new background
  add dolphin.directory files to .gitignore
  Update README.md
add link to designer page
Merge branch 'hotfix/add_designer_page'

* hotfix/add_designer_page:
  add link to designer page
Merge branch 'hotfix/add_designer_page' into develop

* hotfix/add_designer_page:
  add link to designer page
Merge branch 'release/1.4.1'

* release/1.4.1: