Update README.md

RallySoftware/app-catalog@ce4dc23

mojombo/github-flavored-markdown@16c999e8c71134401a78d4d46435517b2271d6ac

16c999e8c71134401a78d4d46435517b2271d6ac

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User/Repository@SHA: mojombo/github-flavored-markdown@16c999e8c71134401a78d4d46435517b2271d6ac
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User#Num: mojombo#1
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