* [RUNTIME] RPC runtime that support run testing on remote device.

* Fix ctypes in OSX.

* fix lint

* Add CombineInternal<Mod> & Fix LoopPartition

* Add check for path

* [PASS] Use likely tag & enable LoopPartition by default

* [PASS] Support thread_axis partition

* Take IfThenElse branch method

* [PASS] Insert branch at the innermost thread scope

* [PASS] Select candidates before trying to partition & add test for select

* [PASS] Clean code

* Fix

* Remove print & assert vectorize happens

* [MODULE/DSO] Support pack everything into one shared library.

* fix osx load

* [CMAKE] Windows support upgrade

* Fix lint

* [CONTRIB/BLAS] Add CBLAS Example to contrib

* Update makefile

* [CODEGEN/RUNTIME] Metal support, runtime improvement.

* Fix case when no device is available

* [CODEGEN/PASS] Improve callpacked lowering, allow pass array callback.

* fix cython

* [PYTHON/FFI] Enable Cython FFI

* fix cython

* [LANG] CommReducer

* Reorganize c_api

* Remove InitValue and Combine; refactor Functor

* Make CommReducer an Expr

* Make comm_reducer type independent

* Make CommReducerNode a Node

* Small fix

* Refine

* Refine front api; add integration testcases for min/max

* Fix python

* Refine

* Fix lint and add example

* [PASS] StorageRewrite, reuse memory pass as in NNVM.

* fix issue

* [LANG/CODEGEN] Intrinsics and Extern Math

* fix lint

* [DOC] Scan tutorial

* Fix according to ziheng's comment

* [PERF] Add gemm

* [DOC] Reduction tutorial

* [DOC] API doc organization.

* remove breathe for now

* [DOC] Initial doc system

* Migrate API

* Update docs

* [PERF] Persitent kernel

* fix doc

* [PASS] Support for partition loops with thread_axis

* Add check for AttrStmt.attr_key

* [SCHEDULE] Add group, refactor thread bind api.

* fix doc

* fix g++-4.8

* More testscase

* Remove graph context from fix pt analysis

* [LANG/GPU] Cross Thread Reduction.

* Fix doxygen error

* Upgrade verilog testcase to new one

* [CODEGEN] Refactor common codegen, Verilog Codegen

* fix make

* fix mk

* update enable signal

* change function name to at neg edge

* Move test to correct place