Merge branch 'hotfix/remove_all_info_about_requests' into develop

* hotfix/remove_all_info_about_requests:
  add more info
  remove info from navbar
  add published query to news
  change end_reg_timex
Merge branch 'hotfix/add_twitter_button' into develop

* hotfix/add_twitter_button:
  add publish twitter buttons
  add read button
Merge branch 'release/19'

* release/19: