message: [GUI] Build release by default on gui.sh
  For debug builds, use gui.sh --build --debug
diff: @@ -95,7 +95,11 @@ if [ "$1" == "--build" ] ; then
  create_clean_directory build
  qmake -unset QMAKEFEATURES
  git submodule update --init --recursive
  - cd build && qmake .. && make -j && cd -
  + if [ "$2" == "--debug" ] ; then
  + cd build && qmake "CONFIG+=debug" .. && make -j && cd -
  + else
  + cd build && qmake "CONFIG+=release" .. && make -j && cd -
  + fi
  fi
  ########
  