Working on #616

managegroup_adduser template -> Search for a user
member_register_referrer template -> Search for a user
memberlist template -> Search for a user
memberlist_search -> Search for a user
modcp_banuser -> Search for a user
modcp_warninglogs -> Search for a user
private_send_autocomplete -> to select2 -> Search for a user
private_send_autocomplete -> bcc select2 -> Search for a user
search -> Search for a user
usercp_editlists -> Search for a movie -> :o ( must change to user! )
usercp_editlists -> Search for a user