Changeset [a800050fad8a1070266689346c7ade9441cd6d80] by dleffler

Update expHtmlToPDF subsystem to prepare for html2pdf engine option (still need to work out html2pdf configuration/setup issues), correct some possible issues when making calls to other engines to change orientation, paper size, etc.., where we wern't saving the new setting to our object properties [#1353]
https://github.com/exponentcms/exponent-cms/commit/a800050fad8a1070...