Create ajme-elsevier-vancouver.csl

New CSL file for AJME vancouver based Non-standard journal
Update and rename ajme-elsevier-vancouver.csl to alexandria-journal-of-medicine.csl

Made changes based on the style-requirement document. This file is validated using rake and online validator. This file is well-formed and valid.
Update alexandria-journal-of-medicine.csl

Updated the documentation link.
Merge pull request #1099 from grnathan2000/patch-2

Create ajme-elsevier-vancouver.csl