\n and \c not interpreted in sh scripts

[dduponchel]

Some sh scripts (upgrade.sh or check_for_upgrade.sh for example) use \n or \c in echoed strings, with a broken output (display the \n instead of a new line, at least on my gentoo and on my archlinux) :

   "Hooray! Oh My Zsh has been updated and/or is at the current version. \nAny new updates will be reflected when you start your next terminal session."

Using echo -e instead on echo in .sh scripts should solve this issue :)

[robbyrussell]

Thanks, we'll look at rewriting some of this in the near future.