Add demo project
Add example of input json file
Fix jsoncpp linking errors
Merge pull request #10 from Melzas/fix-jsoncpp-linking

Fix jsoncpp linking errors
Change json file structure
Merge pull request #11 from Melzas/add-demo-project

Add demo project and example of input json file
Some forwards and includes added.
Merge pull request #12 from swat32exe/add-forwards-and-includes

Some forwards and includes added.