fixes for Ubuntu 18.04 compilation

release_scripts/linux/package.sh

@@ -348,7 +348,7 @@ for ((i=0;i<${#tab[@]};i++)); do
         echo -n ", " >> "$CONTROL_FILE"
     fi
     # conditional dependency when libavcodec-ffmpeg56 or libavcodec-ffmpeg-extra56 is found
-    depdVer=$(apt-cache show ${tab[$i]} | grep "Version: " | head -1 | awk '{ print $2 }' | sed -e 's/\([:. 0-9?]*\).*/\1/g' | sed -e 's/\.$//')
+    depdVer=$(apt-cache show ${tab[$i]} | grep "Version: " | head -1 | awk '{ print $2 }' | sed -e 's/\([~:. 0-9?]*\).*/\1/g' | sed -e 's/\.$//')
     if [ "${tab[$i]}" == "libavcodec-ffmpeg56" ] || [ "${tab[$i]}" == "libavcodec-ffmpeg-extra56" ]; then
       echo -n "libavcodec-ffmpeg56 (>= ${depdVer}) | libavcodec-ffmpeg-extra56 (>= ${depdVer})" >> "$CONTROL_FILE"
     else

src/core/UBApplication.cpp

@@ -356,6 +356,8 @@ int UBApplication::exec(const QString& pFileToImport)
     else
         applicationController->showBoard();
 
+    emit UBDrawingController::drawingController()->colorPaletteChanged();
+
     onScreenCountChanged(1);
     connect(desktop(), SIGNAL(screenCountChanged(int)), this, SLOT(onScreenCountChanged(int)));
     return QApplication::exec();