solarized8 is back (better support for gutter); also fix window naming in tmux

zshrc

@@ -75,12 +75,12 @@ PROMPT3='%b%f?%(!.%F{red}.%F{black})#%f%b '
 PROMPT4='%b%f+%N:%i%(!.%F{red}.%F{black})>%f%b '
 precmd.title() {
     case $TERM in
-        st*|xterm*|rxvt*)
-            printf '\033]0;%s\007' ${HOST%%.*}
-            ;;
-        screen*|tmux*)
+        screen*)
             printf '\033k%s\033\' ${HOST%%.*}
             ;;
+        *)
+            printf '\033]0;%s\007' ${HOST%%.*}
+            ;;
     esac
 }
 precmd.is_git_repo() {