[ADD] Use my own script to display terminal title

The provided 'vte.sh' script  doesn't quite work on Bash because
$HOSTNAME is empty for some reason.

zsh/.zshrc

@@ -1,13 +1,6 @@
 # Export our directory to Termite for opening new terminals
-if { [[ "$TERM" == xterm-termite ]] || [[ "$TERM" == xterm ]]; } &&
-    [ -r /etc/profile.d/vte.sh ]; then
-    if [[ "$TERM" == xterm ]]; then # FIXME: hack to make Xterm work
-        VTE_VERSION="${VTE_VERSION:-3405}"
-    fi
-
-    . /etc/profile.d/vte.sh
-    __vte_osc7
-    precmd_functions+=(__vte_prompt_command) # FIXME: why isn't it set above ?
+if { [[ "$TERM" == xterm-termite ]] || [[ "$TERM" == xterm ]]; }; then
+    source ~/.scripts/term-title
 fi
 
 # History configuration