changed cheshire3 requirement to .dev for convenience
removed upstream XSLT for replacement with shared
Squashed 'dbs/ead/xsl/' content from commit 5d7d5e8

git-subtree-dir: dbs/ead/xsl
git-subtree-split: 5d7d5e8f68663ac7ead1d4254680122a3c437bd1
Merge commit '4efb7e82cd5d306fda441b99b281ac13fc225aca' as 'dbs/ead/xsl'