1. add fake_quant fake_dequant op
2. add quant_dequant fuse pass
3. fix bug for passes for arm
4. softmax axis problem

test=develop

test=develop

test=develop

split op
the cxx_api_bin.

* enable softmax op and add unit test

* move softmax sub-functions to softmax.cc, and move basic math functions to funcs.h

* code clean - refine ARM

cmake enhancement:

- add lite_cc_library and lite_cc_test

code clean:

- remove ARM feed and fetch kernels, reuse the Host's

remove unnecessary comments

* add cmake

* update

* fix proto pd

* fix compile

* tmp save

* fix protobuf device version

* fix protobuf and host compile

* fix std c++11 support on android

* change array to vector to fix ndk c++_static

* fix rt and add dockerfile

* fix android compile issue with latest merge

* init arm kernels

* enable run on arm

* update format

* update format

* update format

test=develop

make typesystem simpler

- make the target wrapper for host works
- code clean

load_model
add scale, mul Op