control: JSON parsing classes static lib framework

Create a static library to contain the needed JSON parsing classes for
all the JSON config files supported by the fan control application.
Included in this commit is the initial class that will be enhanced to
parse the profiles JSON config file.

Tested:
    Built with JSON enabled to create static lib
    Built without JSON enabled, no static lib created
    Verified profiles JSON config file loaded/parsed

Change-Id: Iaab2cad5f35ff1144fa0207b4989299c17fc9983
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
6 files changed