Create american-marketing-association.csl from journal-of-marketing.csl

 * rename journal-of-marketing.csl into american-marketing-association.csl
 * add an space between volume and issue
 * comma before "and" only if there are more than two authors
 * make the dependent style link from the journal-of-marketing.csl
 * add journal-of-international-marketing.csl
 * add journal-of-marketing-research.csl
 * add journal-of-public-policy-and-marketing.csl
 * update temple link from law-and-society-review.csl
Merge pull request #1184 from zuphilip/ama

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