* [PASS] FoldScaleAxis

* Move FoldAxis to O3

* Set unroll to 0 when ready

* add transform

* fix

* update doc

* Update tvm

* [TEST] Xavie initialization for benchmarks

* remove additional line

* use resnet v2

* fix

* add onnx

* fix

* [Tutorial] mxnet

update

add from_gluon

add to __init__

fix tutorial and from_gluon

fix doc lint

merge from_mxnet

fix

fix

fix tutorial

fix

fix header

* fix tutorial

* fix data

* fix

* resnet example merged to imagenet

* merge with master

* init onnx

finish onnx frontend

add onnx tests

fix various

backup

use transformer

[Frontend] graph passed

add test forward

test forward

fix doc and lint

fix test graph tuple

from_onnx now take 2 args, output (sym, params)

fix rename

fix input names

fix multiple

fix lint

fix lint check

* better doc

* [TUTORIAL] Move mobilenet to tutorial, fix precompute_prune

* Some language improvements

* register pool, global_pool; add mobilenet example

* tests of pool and global_pool

* use new API of runtime module

* small fix

graph

backup

update

finish mxnet converter

fix

fix various

add tests

fix

add multi networks

uses model_zoo

fix tests

minor fix

fix graph

fix

* [TOP] Add dense, batchnorm

* update tvm

* [RUNTIME][COMPILER] Formal compiler pipeline, runtime wrapper module

* more detailed comments

* register depthconv, elemwise

* use global elemwise schedule for relu

* [PASS] PrecomputePrune, add testcase

* update comment