Brian Ford 49527ab495 fix(ngFor): give more instructive error when binding to non-iterable
Before, you'd get an error like:

```
EXCEPTION: Cannot find a differ supporting object ‘[object Object]’ in [users in UsersCmp@2:14]
```

Now, you get:

```
EXCEPTION: Cannot find a differ supporting object ‘[object Object]’ of type 'Object'. Did you mean to bind ngFor to an Array? in [users in UsersCmp@2:14]
```
2016-03-24 15:21:16 +00:00
..