clarifications/rewordings, added explanation of what CLI is#84

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olasitarska merged 2 commits intoDjangoGirls:masterfrom

Jul 29, 2014

Commits on Jul 27, 2014

clarified/reworded some explanations, added explanation of what the command line is
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Merge branch 'master' of github.com:DjangoGirls/tutorial
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