oscarleiva/energylink

Torkel Ödegaard 952a69abca docs(tutorial): updated hubot tutorial		%!s(int64=10) %!d(string=hai) anos
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hubot_howto.md	952a69abca docs(tutorial): updated hubot tutorial	%!s(int64=10) %!d(string=hai) anos
index.md	4f8cea6e2d docs(): added tutorial article on hubot and grafana integration	%!s(int64=10) %!d(string=hai) anos
stack_guide_graphite.md	2f849be9d8 docs(): minor tweaks to new tutorial	%!s(int64=10) %!d(string=hai) anos