Update 2010-05-25-phprack.md

[Paragraph -1]
plural (give) - (gives).
deleted the comma after (found).
deleted the period after (quality) and added a comma to connect the sentence.
added a comma after (deployment).
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deleted the comma after (testing) and added a semicolon. Also added a comma after (however).
added a semicolon after (phpRack).
deleted the comma after (language).
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added the subordinating conjunction "that" after (Imagine).
deleted the comma after (installation).
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added a comma after (small).
deleted the colon and added a comma after (For example).
deleted the period after (machine) and added a semicolon.
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deleted the comma after (work).
added the subordinating "It" after (easy.).
added a comma after (free).