N/A
Signed-off-by: NLuxuhui <luxuhui@xiaomi.com>

Refactor cmake build flags
Add arm linux toolchains
Add macOS+iOS build support
Support windows
Add library install
Refactor gitlab CI

1. Change DataFormat from enum to enum class.

N/A
Signed-off-by: NLuxuhui <luxuhui@xiaomi.com>

1. Fix random device chosen bug.
2. Add random device chosen strategy for running model.

1. Support memory optimization at runtime
2. Support memory type transformation automatically at runtime.
3. Move gpu winograd convolution to Conv2D.
4. Support Data Type transformation automatically.
5. MaceTensor API support optional data type.
6. Add input_data_formats and output_data_formats at yaml
7. Related issue(#363)

1. Move all files in kernels to ops
2. unify the op_def_registry and op_registry.
3. Support op clip: do not link the ops' code when the op is not registered.

1. Merge the Operation and OpKernel into Operation.
2. Add OpDefRegistry for registering the definitions of Operations.
3. Add information for MaceStatus.
4. Unify 'BatchNorm' and 'FoldedBatchNorm' into 'BatchNorm'
5. Remove unused op 'Proposal'