Add high-res support to wikibooks, wikinews, and default wiktionary favicons

Change-Id: Id442bee0c73c371d4b243b433530e199290cf57b
Remove duplicate layers with white outlines from incubator favicon

Change-Id: Ic66e60d8614933837fd68dbbc3e8a4043aa29090
Merge "Remove duplicate layers with white outlines from incubator favicon"
Merge "Add high-res support to wikibooks, wikinews, and default wiktionary favicons"