ИEØ_ΙΙØZ

Results 7 issues of ИEØ_ΙΙØZ

add missing string correct some grammatical errors del some outdate string

``` OS Ubuntu 18.04.2 x64 gcc v7.4.0 make v4.1 ``` error massege: ``` darkevil1102@VM:~$ make echo -DHAVE_STRNDUP > .opt gcc src/clanmate.o src/cmd/complete.o src/cmd/cmd_add.o src/cmd/cmd_change.o src/cmd/cmd_channel.o src/cmd/cmd_exec.o src/cmd/cmd_follow.o src/cmd/cmd_friends.o src/cmd/cmd_invite.o src/cmd/cmd_last.o...

bug
help wanted

Correct some translation errors