framework: initial layout of DataRequest code
minor fix based on feedback
framework: refactor, naming
Framework: DataRequest functional test pass
complete testing for data request workflow
framework: close data response event loop
comments: framework_test
naming: dataResponseReceiver
abstract data bundle for test check
refactor all test checking to DataBundle
minor fix based on feedback
http handler should return error to client
framework: HTTP use handler instead of mux
refactor switch stmt
Merge pull request #36 from fengjingchao/master

Framework: DataRequest implementation