changes to JsonDataHandler - Fixes for the bugs. And added new test
sample for Summary and a new sample for Get Contacts in a tabular
format.
Adding Unit Tests for JsonDataHandler and Mock Feed.
disabled git whitespace handling
Samples for Testing JsonDataHandler Functionality. Slight modifications
for getAsNumber and passing the mock feed.
removing MockFeed file as I have added the mock feeds in the sample
files itself.
Review comments implemented. Added another sample for testing
getAsNumber with exhaustive span.
Add better sample data to support the use case for displaying a users
connections in flight row