Docker copy tuttle source code

Since Dockerfiles are wrapped into folders, the docker build command is:
[rootTuttle]$ docker build -f tools/docker/pythonX.Y/Dockerfile .
We cannot copy from parent folder context (COPY ../)

Author: aoblet

tools/docker/python2.7/Dockerfile

@@ -59,7 +59,7 @@ ENV PYTHON_VERSION=2.7 \
 
 RUN mkdir ${TUTTLEOFX_BUILD} ${TRAVIS_BUILD_DIR}
 
-RUN git clone https://github.com/tuttleofx/TuttleOFX.git ${TUTTLEOFX_DEV}
+COPY . ${TUTTLEOFX_DEV}
 RUN cd ${TUTTLEOFX_DEV} && git submodule update --init --recursive
 RUN cd ${TUTTLEOFX_DEV} && ${TUTTLEOFX_DEV}/tools/travis/install_dependencies.sh
 RUN cd ${TUTTLEOFX_DEV} && ${TUTTLEOFX_DEV}/tools/travis/build.sh

tools/docker/python3.5/Dockerfile

@@ -58,7 +58,7 @@ ENV PYTHON_VERSION=3.5 \
 
 RUN mkdir ${TUTTLEOFX_BUILD} ${TRAVIS_BUILD_DIR}
 
-RUN git clone https://github.com/tuttleofx/TuttleOFX.git ${TUTTLEOFX_DEV}
+COPY . ${TUTTLEOFX_DEV}
 RUN cd ${TUTTLEOFX_DEV} && git submodule update --init --recursive
 RUN cd ${TUTTLEOFX_DEV} && ${TUTTLEOFX_DEV}/tools/travis/install_dependencies.sh
 RUN cd ${TUTTLEOFX_DEV} && ${TUTTLEOFX_DEV}/tools/travis/build.sh