Issue 538:	When tolerant:true a missing comma should recover object properties

https://code.google.com/p/esprima/issues/detail?id=538

Issue 538:	When tolerant:true a missing comma should recover object
properties

https://code.google.com/p/esprima/issues/detail?id=538

Issue 538:	When tolerant:true a missing comma should recover object
properties

https://code.google.com/p/esprima/issues/detail?id=538