Add immediate send request
replace tab to space.
networkThreadAlone callback on main thread use lambda
Merge remote-tracking branch 'github/v3' into v3
fix: Incorrect error buffer in two thread
Merge remote-tracking branch 'upstream/v3' into v3
Merge remote-tracking branch 'upstream/v3' into v3
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3
fix: can not create networkThread at second create HttpClient.
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3
fix: request will be delete in thread.
add immediateSend test
change immediateSend to sendImmediate
put duplicate code to processResponse
put request param in lambda in HttpClient::networkThreadAlone
Merge pull request #6948 from lite3/v3

Add immediate send request