1. Fix bug when only true or false branch works.
2. Fix bug in unit testing.

Update version via git tag

version it is staying on

workaround for no MKLDNN kernel

Update dist lookup table design doc

bugfix/libpaddle_inference_api.so double free

release branch in the futrue

Adding corresponding hl_fini() for each hl_init() used

Remove Op::Clone method

Change patch version to str

Replace {} to + in cmake regex match

Fix data balance on single GPU

check return value of patchelf in setup.py.in

Change the PADDLE_VERSION in develop branch to latest

Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into update-dist-lookup-table-design-doc

add inference_transpiler doc to develop branch

* use -rpath to fix libmklml_intel.so not found

* only remain $ORIGIN/../libs in rpath of core.so

* test

* test

* add rpath of libmkldnn.so.0

* check return value of os.system

* remove check return value of patchelf

Change default APISpec URL

Do NOT clone input vars if op NOT in pserver_program

Add template specialization of Sprintf

move SetNumThreads to platform