Variant options not correctly shown in autocomplete

Repro steps:

1. Go to admin, orders, click New
2. start typing a variant name like "jersey"

The auto-completed items shown will not show the variant options, and the values of these options for each variant.

The attached fixes the handlebar script to correctly show them.

Before:

![Screenshot_1_21_13_5_04_PM](https://f.cloud.github.com/assets/759955/84820/5ad3324e-6427-11e2-8744-c0c9b5c9bba2.png)

After:

![Screenshot_1_21_13_5_05_PM](https://f.cloud.github.com/assets/759955/84823/86eb1540-6427-11e2-9eba-2019ce274d36.png)