* prevent starting of RPC server w/o RPC support

* fix indent

* explicit import testing

* Enable init api for extension modules

* Better error message handling for contrib

* fix lint

* fix testcase

* fix test

* Add test case: Create a static WebGL library and run it in the browser.

* Add documentation for loadModuleFromFile

* Modify emscripten.createjs

* Fixed a g++ explicit constructor compatibility error for unordered_set.

* Change std::unordered_set<std::basic_string<char>>() to
std::unordered_set<std::string>().

* Update DMLC core most recent version

* Modify runtime to minimize io when building for SGX

* Add SGX example app

* Prefer streaming versions of packed_func function

* MXNet NDArray bridge.
Support convert a tvm Function as MXNet's async NDArray function.

* fix lint

* update comment

This reverts commit 12d15704d7f5d30cff7540f1fd16be64c6baca68.

* [RUNTIME] Refactor extension type handling, now it is header only

[PASS] Support buffer reuse for different types

* [RUNTIME] More reliable runtime only detection

* fix lint

* update c++ pool and softmax

* clean up reduce axis

* Add basic dense scheduler

* Revert to put back cpp dense registration

* Fix lint

Emscripten seems to not have done initialization properly.

Need to break after executing intended operation (not before).