Handled bogus calls. Write the layercontents.plist file when needed.
Handled bogus calls. Write the layercontents.plist file when needed.

git-svn-id: d1efbf6e723fdb101d10d8502afaf9e889ff11cb@292 b5fa9d6c-a76f-4ffd-b3cb-f825fc41095c

googlefonts/fonttools,adrientetar/robofab,fonttools/fonttools