Removed single-resourcelink and its permalink structure in favor of altering media files directly
Updated readme
Updated ResourceLink file description w/file edit link
Added direct link to Enable Media Replace plugin's file replacer, if the plugin is active (link goes to standard media edit screen if plugin is inactive
Added Enable Media Replace plugin files to theme
Removed some unnecessary plugin stuff; updated file field 'edit' link to always link to the replace media interface
Removed replace entirely option
Removed some unused stuff
Updated readme with media replace info
Updated file edit/update link comments
Removed plugin check