New package easyoptions

[EasyOptions](https://github.com/renatosilva/easyoptions) makes it easy parsing options in Bash and Ruby scripts. For example:

* https://github.com/renatosilva/pidgin/blob/master/build/translations.sh
* https://github.com/renatosilva/pidgin/blob/master/build/winbuild.sh
* https://github.com/renatosilva/scripts/blob/master/bzrgrep.rb