resolved #51 Adding auto-completion to ineo

- added bash autocompletion support for linux and mac, if completion folder are found
-- on macos auto completion is expected to use /usr/local/etc/bash_completion.d
-- on linux auto completion is expected to use /etc/bash_completion.d/

fixed compatibility problem with macos

Fix copyright and typo in README.md

Fix requirements about Curl in README.md