Make some alterations to Controller in core submodule in preparation for refactoring the logo method
Make an email factory section in ApplicationFactory
Change Json.php to accept path as a variable instead of embedded constant
Refactor constructor to use a re-usable method for setting files from a directory into an array in our storage object, as well as add email-specific methods
Refactor setFileAsArray method to accept full path as variable rather than use embedded constant
Refactor logo methods to determine whether or not to embed in an anchor in a re-usable way
Refactor to include simple list element building method and use it throughout the class