rule: Add json parser support

Alvaro Neira netfilter-devel 1 version Aug 20, 2013 In review

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b4 am 20130820155844.8850.85717.stgit@Ph0enix

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#	Subject and files	Size	Replies
1/3	rule: Add json parser support`include/libnftables/rule.h` `src/expr/bitwise.c` `src/expr/byteorder.c` +19 more	+839 -2	1 reply
2/3	tests: rule: add json parsing support`tests/jsonfiles/20-rule-bitwise.json` `tests/jsonfiles/21-rule-byteorder.json` `tests/jsonfiles/22-rule-cmp.json` +40 more	+53 -0	0 replies
3/3	examples: Add nft-rule-json-add`examples/Makefile.am` `examples/nft-rule-json-add.c`	+121 -0	0 replies

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