Linting: Force splitting variable declaration for initialized vars

[friday]

Eslint will now warn if declaring multiple variables in the same statement, except if all of them are uninitialized. For example, this is still valid:

var testContainer, para0, para1, para2;

(There are a lot of these in the test specs and splitting them up isn't necessarily better imo)

[LeaVerou]

I'm not so sure about this, but since very little of Bliss had to be changed to follow it, eh, merging.

Thanks!

[friday]

I probably misinterpreted the conversation: #209 (comment). Anyway, don't be afraid to reject my PR's in cases like this.

[LeaVerou]

To clarify that comment, I meant that things like this should be valid:

var a = 5, b = 8, c;

but things like this should not be:

var a = 5,
    b = 8,
    c;

[friday]

I see! Perhaps I'm thinking "inside the box" when it comes to eslint-rules.

The one-var rule doesn't support this distinction I'm afraid.