Clarify installation docs#164

Merged

josegonzalez merged 4 commits intoFriendsOfCake:masterfrom

mehov:master

Jan 2, 2017

Commits on Oct 18, 2016

made it obvious you have to run the composer command from within the cakephp folder
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made it obvious you have to cd to your cakephp folder
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replaced cakephp with project
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rephrased
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