Remove extra argument from returned array

This was apparently necessary at some stage, but is no longer, and only
complicates a) the check that there aren’t too many arguments and b)
checking in user code whether an optional argument has been given.
Update ufoJS
Revert "Merge pull request #215 from monkeyiq/2014oct/fontinfoplistv2"

This reverts commit 9798fcea3e480aab0d757bf9ba7509d53d95caf4, reversing
changes made to 2abd988bdce5f61a515c15699fc3a8505b5bcc54.