Added parameters and steps to obtain pem files without curl.#8

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franklines wants to merge 3 commits intoc-buisson:masterfrom franklines:master

+88-30

Commits on Jun 19, 2018

Added new parameters to the configure_chef.sh script. Updated README with description of said parameters and how to use them.
franklines
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Fixed README.md parameters table.
franklines
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Corrected command typo in README.md file. Updated configure_chef.sh to save random generated password.
franklines
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