Updated Summary Point

Created template tag and set default value to 0.

Old
![screen shot 2014-09-15 at 11 40 57 am](https://cloud.githubusercontent.com/assets/910510/4274836/2820ef30-3cf7-11e4-964f-712e499efef9.png)


New
![screen shot 2014-09-15 at 12 39 53 pm](https://cloud.githubusercontent.com/assets/910510/4274835/24ef7d5e-3cf7-11e4-9aae-a9fe3f7cd7f3.png)