speed json #3302
fixes #3302
fix #3302
Merge branch 'master' into #3302
fix #3304 replace jsoncpp to rapidjson.
fix #3304 failed to build on linux.
issue #3304
 1.fix redeclaration of ‘int length’.
 2.fix expected ‘)’ before ‘;’ token.
issue #3304 remove unused dicHelper.
Merge branch 'master' into #3304
issue #ignore rapidjson::Document and rapidjson::Value all interfaces.
fixed #3307 replace rapidjson to jsoncpp.
fixed #3307 fix comparison between signed and unsigned integer expressions.
fixed #3307 merge #3304 to #3307
fixed #3307 revert cocos2dx_studio.ini
Merge pull request #4406 from chengstory/#3307

[ci skip]Optimize the speed of cocostudio's parsing.