Make maximum recursion depth a runtime option
Merge pull request #56 from TheCount/develop

Some houskeeping
Revert the test_null test back to emitted to stdout, and update the expected output to match.
Update the release checklist to include the INSTALL file, and adjust the git command to add the doc directory.
Merge pull request #51 from remicollet/issue-dyndepth

Make maximum recursion depth a runtime option
Add a json_c_version.h header (included from json.h), and several macros and functions for retrieving the json-c version at compile-time and run-time.
Merge branch 'master' of https://github.com/json-c/json-c
Bump the version up to 0.10.99 to make it clear that the master branch is beyond anything on the 0.10 branch.
escape '\f' in json_escape_str

'\f' is a llegal char and should be escape in printbuf
Merge pull request #58 from Abioy/master

escape '\f' in json_escape_str
Fixed json_object_object_add().

* Return value of json_object_object_add() changed from void to int.
  Return value now indicates success or failure.

* Check whether allocations are successful.

* Do not exit program from within the library.
Fix test: "\f" is a valid JSON string