Merge pull request !7945 from wangjun/master

Merge pull request !7988 from luoyang/pylint

Merge pull request !7995 from lyvette/master2

Merge pull request !8007 from cathwong/ckw_cppapi_dataset_del_valparms

Merge pull request !7873 from tom_chen/sparse_ftrl

Merge pull request !7875 from 34bunny/GPU-SparseApplyProximalAdagrad

Merge pull request !7981 from lihongkang/v2_master

Merge pull request !7958 from xulei/lite_test0905

Merge pull request !7962 from hwjiaorui/master

Merge pull request !7964 from yuchaojie/quant2

Merge pull request !7914 from Simson/push-to-opensource

Merge pull request !7978 from chenzupeng/master-lite

Merge pull request !7968 from fuzhiye/tmp

Merge pull request !7939 from lijiaqi/raise

import proximal adaagrad ds

tiling map

style check bug

add op set

Merge pull request !7969 from pengyongrong/stack

Merge pull request !7966 from ling/bug

Merge pull request !7971 from zhaodezan/master

Merge pull request !7929 from changzherui/mod_log_message

Merge pull request !7916 from caojian05/ms_master_lstm_bugfix

Merge pull request !7918 from caojian05/ms_master_vgg16_bugfix

Merge pull request !7959 from fuzhiye/tmp

Merge pull request !7937 from pengyongrong/stack

Merge pull request !7909 from VectorSL/nhwc-script

Merge pull request !7824 from yanghaitao/yht_parse_frameworker

Merge pull request !7887 from gengdongjie/master

Merge pull request !7943 from yangjie159/sync_code

Merge pull request !7913 from chenzupeng/master-lite

Merge pull request !7866 from luoyang/c-api-pyfunc

Merge pull request !7877 from kisnwang/optimize-internal-depend

Merge pull request !7910 from luopengting/summary

Merge pull request !7908 from chujinjin/add_reduce_precision_in_pynative_mode

Merge pull request !7936 from yangruoqi713/lite

Merge pull request !7903 from linqingke/mass