dev: add proposed commands to shell history

This has been suggested by Oleg Ivanov:

http://lists.altlinux.org/pipermail/antique/2015-May/002353.html

...and does make sense; additions are welcome.

Ah, and fix that silly thinko with ~/.zshrc perms while at that.

features.in/dev/live/image-scripts.d/51-hasher

@@ -52,7 +52,11 @@ fi >&/dev/null
 ZSHELL="/bin/zsh"
 if [ -x "$ZSHELL" ]; then
 	chsh -s "$ZSHELL" "$USER"
-	install -m755 -o "$USER" -g "$USER" /dev/null "$HOME/.zshrc"
+	install -m644 -o "$USER" -g "$USER" /dev/null "$HOME/.zshrc"
+	cat >> "$HOME/.zsh_history" <<-EOF
+	make -C /usr/share/mkimage-profiles syslinux.iso
+	git clone git://git.altlinux.org/gears/h/hello.git && cd hello && gear-hsh
+	EOF
 fi
 
 if type -t screen; then