Patient living status supports Date of Death entry

#### Story ####
  - https://www.pivotaltracker.com/story/show/63401744

#### Notes ####
  - Change Living Status select box to checkbox with on-check switch to Date of Death entry (similar to birthdate date and time with styling modifications)
  - Added simple Jasmine tests

#### Mockups ####

#### Screenshots ####
  - Living Status checkbox
    - ![livingstatus](https://f.cloud.github.com/assets/456952/2078025/cdf4acd8-8db8-11e3-9d03-67c594f8424b.png)
  - Date of Death date, time, and close
    - ![dateofdeath](https://f.cloud.github.com/assets/456952/2078026/d209eec8-8db8-11e3-8797-7e48a9b4c61a.png)