Rename source paths env variable

Dockerfile

@@ -5,33 +5,33 @@ ENV CURA_BENV_BUILD_TYPE=Release
 ENV CURA_BRANCH=master
 ENV URANIUM_BRANCH=$CURA_BRANCH
 ENV CURA_ENGINE_BRANCH=$CURA_BRANCH
-ENV CURA_BENV_GIT_DIR=/srv/cura
+ENV CURA_APP_DIR=/srv/cura
 
-RUN mkdir $CURA_BENV_GIT_DIR
+RUN mkdir $CURA_APP_DIR
 
 # Setup Uranium
-WORKDIR $CURA_BENV_GIT_DIR
+WORKDIR $CURA_APP_DIR
 RUN git clone https://github.com/Ultimaker/Uranium
-WORKDIR $CURA_BENV_GIT_DIR/Uranium
+WORKDIR $CURA_APP_DIR/Uranium
 RUN git fetch origin
 RUN git checkout $URANIUM_BRANCH
-RUN export PYTHOHPATH="${PYTHONPATH}:$CURA_BENV_GIT_DIR/Uranium"
+RUN export PYTHOHPATH="${PYTHONPATH}:$CURA_APP_DIR/Uranium"
 
 # Setup Cura
-WORKDIR $CURA_BENV_GIT_DIR
+WORKDIR $CURA_APP_DIR
 RUN git clone https://github.com/Ultimaker/Cura
-WORKDIR $CURA_BENV_GIT_DIR/Cura
+WORKDIR $CURA_APP_DIR/Cura
 RUN git fetch origin
 RUN git checkout origin $CURA_BRANCH
 
 # Setup CuraEngine
-WORKDIR $CURA_BENV_GIT_DIR
+WORKDIR $CURA_APP_DIR
 RUN git clone https://github.com/Ultimaker/CuraEngine
-WORKDIR $CURA_BENV_GIT_DIR/CuraEngine
+WORKDIR $CURA_APP_DIR/CuraEngine
 RUN git fetch origin
 RUN git checkout $URANIUM_BRANCH
 RUN mkdir build
-WORKDIR $CURA_BENV_GIT_DIR/CuraEngine/build
+WORKDIR $CURA_APP_DIR/CuraEngine/build
 RUN cmake3 .. \
     -DCMAKE_BUILD_TYPE=$CURA_BENV_BUILD_TYPE \
     -DCMAKE_C_COMPILER=gcc \
@@ -39,8 +39,8 @@ RUN cmake3 .. \
 RUN make
 
 # Make sure Cura can find CuraEngine
-RUN ln -s /usr/local/bin/CuraEngine $CURA_BENV_GIT_DIR/Cura
+RUN ln -s /usr/local/bin/CuraEngine $CURA_APP_DIR/Cura
 
 # Run Cura
-WORKDIR $CURA_BENV_GIT_DIR/Cura
+WORKDIR $CURA_APP_DIR/Cura
 CMD ["python3", "cura_app.py"]