* wip

* wip

* wip

* fix avx2 test

Co-authored-by: mgrad <mgrad@meraki.com>

fix spell mistakes

* wip

* fix slice pack8 test

* fix flatten pack8 test

* fix binaryop pack8 test

* fix interp pack8 test

* rewrite cast test for different blob type and packing

* add build script for building android lib on windows via ndk

* rename

* Add mips softmax layer

* Fix bias value error in bias_layer

* Fix max and min value error in clip_layer

* Remove unused elempack variable

* Add sigmoid mips layer

* Add mips tanh math func

* Add mips tanh layer

* Add msa_fill_w_f32 for load float type data

* Remove conv layer header

* lstm with direction

* convert onnx lstm

* lstm works

* test_hardswish.cpp: Add unittest of HardSwish

* ncnn: test: Add support for ROIPooling test

* test: Fix bottom_blob of ROIPooling test

* test_hardsigmoid.cpp: Add unittest of HardSigmoid

* fix requant relu6 bug

* fix

* delete pipeline change in forward/forward_inplace avoid race in multithreading

* test_clip.cpp: Add unittest of clip

* fix

* fix

* fix requant relu6 bug

* fix

* delete pipeline change in forward/forward_inplace avoid race in multithreading

* ncnn: test: Add support for ELU test
*For now alpha was generated by RandomFloat(0.001f, 1000.f)

* test: ELU_test: Remove duplicated cases