Docker image for C++ build environment

• Ubuntu 14.04 LTS
• GCC/G++ 4.9.1
• LLVM 3.7 (with OpenMP)
• CMake 3.2.2
• Google Test 1.7.0
• Qt 5.4.1
• OpenCV 3.0.0

The built docker image is hosted at Docker Hub, so you can pull it by the command below.

$ docker pull tatsy/ubuntu-cxx:default # without OpenCV
$ docker pull tatsy/ubuntu-cxx:opencv  # with OpenCV

MIT License 2015, Tatsuya Yatagawa (tatsy)