add docker config files

These Dockerfiles are preset docker configuration
to give an easy way to setup build environment.

This patch starts with Windows MingW configuration.
More to come...

Change-Id: Idf923038622ef2ac2e76b2407e969ad83b4eb83b

docker/Dockerfile_windows_mingw

+FROM fedora:25
+
+ENV LANG en_US.utf8
+ENV LC_ALL en_US.utf8
+
+RUN dnf -y upgrade
+
+# General
+RUN dnf -y install \
+ unzip \
+ openssh
+
+# Mingw 32/64
+RUN dnf -y install \
+ mingw32-binutils \
+ mingw32-gcc \
+ mingw32-headers \
+ mingw32-crt \
+ mingw32-gcc-c++ \
+ mingw32-pkg-config \
+ mingw32-nsis \
+ mingw64-binutils \
+ mingw64-gcc \
+ mingw64-headers \
+ mingw64-crt \
+ mingw64-gcc-c++ \
+ mingw64-pkg-config
+
+# Build environment
+RUN dnf -y install \
+ git \
+ gawk \
+ yasm \
+ gettext-devel \
+ cmake \
+ patch \
+ libtool \
+ automake \
+ make \
+ xz \
+ bzip2 \
+ which \
+ sudo \
+ java-1.8.0-openjdk \
+ java-1.8.0-openjdk-devel
+
+# LRC Req
+RUN dnf -y install \
+ mingw32-qt5-qtbase \
+ mingw32-qt5-qttools \
+ mingw64-qt5-qtbase \
+ mingw64-qt5-qttools
+
+# Client Req
+RUN dnf -y install \
+ mingw32-qt5-qtsvg \
+ mingw64-qt5-qtsvg \
+ mingw32-qt5-qtwinextras \
+ mingw64-qt5-qtwinextras \
+ mingw32-libidn \
+ mingw64-libidn \
+ mingw32-xz-libs \
+ mingw64-xz-libs
+
+# Buid Env. Var.
+
+ENV CMAKE_PREFIX_PATH /usr/i686-w64-mingw32/sys-root/mingw/lib/cmake:/usr/x86_64-w64-mingw32/sys-root/mingw/lib/cmake
+ENV QTDIR /usr/i686-w64-mingw32/sys-root/mingw/lib/qt5/:/usr/x86_64-w64-mingw32/sys-root/mingw/lib/qt5/
+ENV PATH /usr/i686-w64-mingw32/bin/qt5/:/usr/x86_64-w64-mingw32/bin/qt5/:$PATH
+ENV CROSS_COMPILE i686-w64-mingw32-
+ENV HOST i686-w64-mingw32
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