Log Message:
Updating converters/p5-JSON from 2.21nb1 to 2.22

Upstream changes:
2.22  Wed Aug 25 12:46:13 2010
	[JSON]
	- added JSON::XS installing feature in Makefile.PL
	    with cpan or cpanm (some points suggested by gfx)
	- check that to_json and from_json are not called as methods (CHORNY)
	[JSON::PP]
	- modified for -Duse64bitall -Duselongdouble compiled perl.
	    11_pc_expo.t too. (these are patched by H.Merijn Brand)