* alter the api name from cpu to x86, test=develop

* correct the step_rnn model test, test=develop

* add set_cpu_math_library_math_threads for lite x86 platform, test=develop

* update the #if defined and add a condition LITE_WITH_X86, test=develop

* add if not defined LITE_ON_MODEL_OPTIMIZE_TOOL, test=develop

* fix: fix omp thread bug

* fix: fix compile android level & test=develop

* fix: fix omp bug

* fix: fix omp bug
test=develop

* fix step rnn model run bugs test=develop

* add shell file to automatically build and collect publish result test=develop
* modify API inference of model_optimize_tool and add option for tiny&full publish test=develop

* [python api] init add python api test=develop

* add shell file to automatically build and collect publish result test=develop

* modify codestyle of getInputNames test=develop

* test=develop

* rm publish.sh

* remove copy of func param

* test=develop

* test=devcelop

* test=develop

* test=develop

* const & test=develop

* modify variable defination test=develop

* test=develop

* test=develop

* test=develop

* test=develop

* init: delete feed and fetch op, using zero copy
test=develop

* delete the unused test
test=develop

* [framework][place] remove prefered_place, use place order in valid_place array instead test=develop

* remove kHost from valid_places test=develop

* add GetInputNames and GetOutPutNames and GetInputByName method test=develop

* move the method of SetThread and SetPowerMode from MobileConfig into ConfigBase 
* cxxPredictor will support SetThread and SetPowerMode method

* [Cxx API] add build-in version info

* update: add version.h.in template

* paddle lite cuda init
can run model with leaky_relu

* add the missing file.
test=develop

* add the load from memory interface.
test=develop

* refine this pr. fix comments
fix ci error
test=develop

* fix building ios tiny publish lib error

* support setting cluster and threads in MobileConfig

* fix build error, test=develop

* fix building server publish error, test=develop