GCI-4 - Capture Vitals Tests

This code changes the patient Capture Vitals and checks them

Ticket: http://issues.openmrs.org/browse/GCI-4
Melange Task: https://www.google-melange.com/gci/task/view/google/gci2014/4909639493746688
YouTube Video: http://youtu.be/xWkneX1o5JA

Also I found a bug by test. "Respiratory rate" does not have a maximum value. We can, for example, write there a large number of type "long", but then this number will convert to "int" type and may be reduced (max int value is "2,147,483,647"). It is necessary to remove this bug
Bug screenshots
![buggi1](https://cloud.githubusercontent.com/assets/5406399/5592466/d8e18d36-91e1-11e4-9848-f607a9e00e33.png)
![buggi2](https://cloud.githubusercontent.com/assets/5406399/5592465/d8dbb992-91e1-11e4-9f15-59203d13e274.png)