* [mobile][opencl] increase male2fe gan model

* element mul d3

* remove useless initempty image in transpose2 ,test=develop

* update test ,test=develop

* add mem opt option for high api ,test = develop

* fix is_lod params && test-performance ,test=develop

* optimise conv 1x1 ,test=develop

* add test_performance test

* 1. add quantification_fold parameter. 2. support quantification test in run.py.

* implement n-fold quantification

* [test=develop]1.fix crash when gpu op scale&elementwise_add input dim size equal 2
2.add gpu op mul

* fix code style test=develop

* 1.add slice, exp, leakyrelu, nearest op placeholder. 2.complete slice and exp op. 3.fix sigmoid op.

* fix style

* enhance scripts

* fix crash of tensor float * constructor

* add model obfuscate feature

* fix style

* fix array length bug

* add merge.sh to merge static library into one combined library

* disable OpenMP for iOS

* support creating tensor with raw pointer.

* fix style

* fix fpga compilation error

* add auto debug tools

* fix style