Ver 1.0 for the Json parsing the logs.
this parses the log file line by line and applies the regex on a line.
1. Uses Jansson Json Parser
2. Added JSON parsing functionality
3. Added Pretty Print
Added searching for regular expression in JSON  and  modified pretty print in JSON indented format.
Added searching based on the key of JSON, using -k parameter, searching the entire JSON string, pretty printing the logs.
Added the logic to handle the the search when the filter in the JSON field is integer
Simplified the logic for the check request
Simplified the structure of JSON processing, removed key, value search as the requirements have been revised.
Removed the req_checker.c and .h, updated the ultragrep.yml.example's configuration, removed the unused variables.
Code cleaning, Code review suggestions
Removed 'libjansson.a' and added json_decref(j_object) to de reference Jansson objects
Added printf's for the user along with the fprintf and included Jansson error messages
; Cleaned up the print function
Merge pull request #18 from zendesk/achaturvedi/INFR-393

Achaturvedi/INFR 393
This merge request includes functionality to 
1. Parse the JSON production logs.
2. Searching the logs.
3. Pretty printing the JSON logs.