message: Updated Dockerfile to use spectre-builder and improved copy steps from build volume
diff: ### At first perform source build ###
  -FROM hlxeasy/spectre-builder-part2:latest as build
  +FROM spectreproject/spectre-builder:latest as build
  +MAINTAINER HLXEasy <hlxeasy@gmail.com>
  # Build parameters
  -ARG BUILD_THREADS="1"
  +ARG BUILD_THREADS="6"
  # Runtime parameters
  ENV BUILD_THREADS=$BUILD_THREADS
  @@ -13,14 +14,14 @@ RUN cd /spectre \
  && mkdir db4.8 leveldb tor \
  && ./autogen.sh \
  && ./configure \
  + --enable-gui \
  && make -j${BUILD_THREADS}
  -# --enable-gui \
  -# --with-qt5=/usr/include/x86_64-linux-gnu/qt5 \
  ### Now package binaries into new image ###
  -FROM hlxeasy/spectre-base:latest
  +FROM spectreproject/spectre-base:latest
  MAINTAINER HLXEasy <hlxeasy@gmail.com>
  COPY --from=build /spectre/src/spectrecoind /usr/local/bin/
  +COPY --from=build /spectre/src/spectre /usr/local/bin/spectrecoin
  USER spectre
  