Add a flag to control setting the terimnal title (fix #194)

config.example.toml

@@ -16,6 +16,8 @@
 # Arguments to pass Git when pulling Repositories
 #git_arguments = "--rebase --autostash"
 
+# Do not set the terminal title
+#set_title = false
 # Commands to run before anything
 #[pre_commands]
 #"Emacs Snapshot" = "rm -rf ~/.emacs.d/elpa.bak && cp -rl ~/.emacs.d/elpa ~/.emacs.d/elpa.bak"