add fields
make union field for names
change a little to_s method
change to 'names'
rename column in users
add permitted fields in type for client
add inputs in views for client, and translations
Merge branch 'feature/users_fields' into develop

* feature/users_fields:
  add inputs in views for client, and translations
  add permitted fields in type for client
  rename column in users
  change to 'names'
  change a little to_s method
  make union field for names
  add fields
add migrations and associations
improve repository, doesn't show standards which was copied from public
Merge branch 'feature/public_standards_list' into develop

* feature/public_standards_list:
  improve repository, doesn't show standards which was copied from public
  add migrations and associations
add migration for restoring fields in standards
add able to set restoring fields in standards when copies from public standards
add action 'restore' for standards controller
add flashes for action restore in standards controller
able to set previous version
change some functional, add link to restore
add comments
Merge branch 'feature/restoring_standards' into develop

* feature/restoring_standards:
  add comments
  change some functional, add link to restore
  able to set previous version
  add flashes for action restore in standards controller
  add action 'restore' for standards controller
  add able to set restoring fields in standards when copies from public standards
  add migration for restoring fields in standards
add mailer, view for it