fixed bug when loadFromDatalessJSON does not load text objects

[sunrei]

this is a fix for issue #143

[kangax]

This is pretty strange. I see that the code is not supposed to work (as you explained in the commit), but it actually does work in my project. We're also using loadFromDatalessJSON and text objects always load just fine. I wonder what's going on there...

[kangax]

Ah... the difference in your JSON and mine is that I have "path" property set to a string (url of a font file), whereas yours is null. That's why my loadFromDatalessJSON goes into a different branch, in which the callback is invoked.

[kangax]

Why we have "path" property on text objects in our app is not clear at all :)

[sunrei]

If you are talking about printio app then I cant help you there. I see only minified version of sources and its very hard to debug it. I just see that your serilized text objects do have 'path', but I'm not sure that path property is being added automatically by fabric.js. At least in version 0.6.9 it's not so.
You are using different wrappers and I'm almost sure that creating(inserting) text objects into canvas is handled by one that adds path property.
Anyway my fix will not touch the loading of text objects that have 'path' property set, but it will definitely help in other cases.

[kangax]

Yeah, definitely. Thanks for finding and patching it! I'll merge it.

Just wanted to make sure unit tests are all good after this change. Also need to add another unit test for this particular case. Will do as soon as I get a chance.