Merge pull request #96 from worldintime/iba_92_change_text_for_successfully_uploaded_avatar

Change text for successfully uploaded avatar
Merge pull request #97 from worldintime/iba_91_change_text_for_new_password_mail

Change text for new password mail
Case insensitive user name
Merge branch 'iba_94_case_insensitive_user_name' into staging

* iba_94_case_insensitive_user_name:
  Case insensitive user name