Add Unsqueeze operator and unit testing

add install_name_tool check on macos

Add squeeze operator and unit testing

Add deprecated annotation and hide a lot of APIs

Add framework_proto to device context deps

add rpath to _swig_paddle.so

fix warning

* change im2sequence for ctc batch inference

* Update im2sequence_op.cc

* change im2sequence for ctc batch inference

* update

* change PR by comment

* fix ocr test error

* fix test_im2sequence

* modify the old name to standard name

* fix test_layers failed

Fix a backward bug

inference api static lib symbol hidden

inference api symbol hidden

* - Rebase of conv reuse

- clag formatter fixes

- Fix to conv reuse

- Yet another fix

- Fix

- Fix

- clagn format

* - comment update

add independent inference demo on teamcity

* Add flag to set prior_box output order.

* Add a fake_quantize_op, which quantize an input tensor to a tensor with lower bits.

* Design doc of fixed-point quantization.
* Update fixed point quantization desigin doc.
* Fix doc format.
* Update the backward part.
* Fix the grammatical.

* Add region proposal network (RPN) target assign operator and Python API for Faster-RCNN.

add check for patchelf in CMakelists.txt

added cycling the dataset for cifar and flowers