GSOC'16 - DNN modern (#720)

* dnn_modern module sketelon

add FindTinyCNN.cmake and setup CMakeLists.txt

add find TBB and NNPACK to CMakeLists.txt

add caffe converter skeleton

add simple sample

eval method return scores

Update README.md

Update README.md

Update README.md

* update for tiny-dnn package

* add QUIET attribute to CMake to find tiny-dnn

* update files due to library rename

* disable warning in cmake

* replace cnn_size_t -> size_t

* disable serializer, remove Caffe dependency and remove tiny-dnn target

* check CMake version to enable/disable the module

* add -Wno-erro in module target

* update README.md with tiny-dnn

* remove redunadant CMake codes for TBB and OMP

* update CMake to enable C++11 compiler

* sync CMake compiler options with upstream project

* remove unused FindTBB.cmake

* minor fix to add const variables

* tiny-cnn -> tiny-dnn