Clearing up some unclear bits and editorial changes#64

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oinopion merged 3 commits into

DjangoGirls:masterfrom

MarysiaLowas:master

Jul 26, 2014

Commits on Jul 26, 2014

Adding notes about exiting Python command, making sure that you are in the right directory to generate the requirement.txt file, and a few other editorial changes
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Merge branch 'master' of github.com:DjangoGirls/tutorial
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Merging again
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