Merge pull request apache#31 from huangzehao/master

Update to 1.2.1

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,11 +3,19 @@
 
 ## Checklist ##
 ### Essentials ###
-- [ ] Passed code style checking (`make lint`)
+Please feel free to remove inapplicable items for your PR.
+- [ ] The PR title starts with [MXNET-$JIRA_ID], where $JIRA_ID refers to the relevant [JIRA issue](https://issues.apache.org/jira/projects/MXNET/issues) created (except PRs with tiny changes)
 - [ ] Changes are complete (i.e. I finished coding on this PR)
-- [ ] All changes have test coverage
-- [ ] For user-facing API changes, API doc string has been updated. For new C++ functions in header files, their functionalities and arguments are well-documented. 
-- [ ] To my best knowledge, examples are either not affected by this change, or have been fixed to be compatible with this change
+- [ ] All changes have test coverage:
+- Unit tests are added for small changes to verify correctness (e.g. adding a new operator)
+- Nightly tests are added for complicated/long-running ones (e.g. changing distributed kvstore)
+- Build tests will be added for build configuration changes (e.g. adding a new build option with NCCL)
+- [ ] Code is well-documented: 
+- For user-facing API changes, API doc string has been updated. 
+- For new C++ functions in header files, their functionalities and arguments are documented. 
+- For new examples, README.md is added to explain the what the example does, the source of the dataset, expected performance on test set and reference to the original paper if applicable
+- Check the API doc at http://mxnet-ci-doc.s3-accelerate.dualstack.amazonaws.com/PR-$PR_ID/$BUILD_ID/index.html
+- [ ] To the my best knowledge, examples are either not affected by this change, or have been fixed to be compatible with this change
 
 ### Changes ###
 - [ ] Feature1, tests, (and when applicable, API doc)

.gitignore

@@ -100,6 +100,10 @@ input.txt*
 # ctags
 tags
 
+# cscope
+cscope.out
+cscope.files
+
 # Scala package
 *.class
 scala-package/*/target/
@@ -132,6 +136,7 @@ lib
 #Notebook Automated Test
 !tests/nightly/test_tutorial_config.txt
 !tests/nightly/TestNotebook
+tests/nightly/tmp_notebook
 
 # pip building tools
 tools/pip_package/build
@@ -145,12 +150,19 @@ bld
 ./tmp/*
 *.jar
 target
-
 bin/im2rec
-
 model/
 
+# VTune
+./r0*hs
+
 # generated function signature for IDE auto-complete
 python/mxnet/symbol/gen_*
 python/mxnet/ndarray/gen_*
 python/.eggs
+
+# tests if built insource
+*CTestTestfile.cmake
+*DartConfiguration.tcl
+tests/Makefile
+tests/mxnet_unit_tests

.gitmodules

@@ -1,18 +1,28 @@
-[submodule "mshadow"]
-	path = mshadow
+[submodule "3rdparty/mshadow"]
+	path = 3rdparty/mshadow
 	url = https://github.com/dmlc/mshadow.git
-[submodule "dmlc-core"]
-	path = dmlc-core
+[submodule "3rdparty/dmlc-core"]
+	path = 3rdparty/dmlc-core
 	url = https://github.com/dmlc/dmlc-core.git
-[submodule "ps-lite"]
-	path = ps-lite
+[submodule "3rdparty/ps-lite"]
+	path = 3rdparty/ps-lite
 	url = https://github.com/dmlc/ps-lite
-[submodule "nnvm"]
-	path = nnvm
+[submodule "3rdparty/nnvm"]
+	path = 3rdparty/nnvm
 	url = https://github.com/dmlc/nnvm
-[submodule "dlpack"]
-	path = dlpack
+[submodule "3rdparty/dlpack"]
+	path = 3rdparty/dlpack
 	url = https://github.com/dmlc/dlpack
-[submodule "cub"]
-	path = cub
-	url = https://github.com/dmlc/cub.git
+[submodule "3rdparty/openmp"]
+	path = 3rdparty/openmp
+	url = https://github.com/llvm-mirror/openmp
+[submodule "3rdparty/googletest"]
+	path = 3rdparty/googletest
+	url = https://github.com/google/googletest.git
+[submodule "3rdparty/mkldnn"]
+	path = 3rdparty/mkldnn
+	url = https://github.com/intel/mkl-dnn.git
+	branch = master
+[submodule "3rdparty/cub"]
+	path = 3rdparty/cub
+	url = https://github.com/dmlc/cub