diff --git a/contrib/create-osx-package/VolumeIcon.icns b/contrib/create-osx-package/VolumeIcon.icns
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diff --git a/contrib/create-osx-package/background.png b/contrib/create-osx-package/background.png
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diff --git a/contrib/create-osx-package/create-osx-package.sh b/contrib/create-osx-package/create-osx-package.sh
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--- a/contrib/create-osx-package/create-osx-package.sh
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-#!/bin/bash
-
-# by Andy Maloney
-# http://asmaloney.com/2013/07/howto/packaging-a-mac-os-x-application-using-a-dmg/
-
-# make sure we are in the correct dir when we double-click a .command file
-dir=${0%/*}
-if [ -d "$dir" ]; then
-  cd "$dir"
-fi
-
-# set up your app name, version number, and background image file name
-APP_NAME="611-Qt"
-VERSION="6.1.1"
-DMG_BACKGROUND_IMG="background.png"
-DMG_VOLUME_ICON="VolumeIcon.icns"
-
-# you should not need to change these
-APP_EXE="${APP_NAME}.app/Contents/MacOS/${APP_NAME}"
-
-#VOL_NAME="${APP_NAME} ${VERSION}"   # volume name will be "SixEleven 6.1.1"
-VOL_NAME="${APP_NAME}"
-DMG_TMP="${VOL_NAME}-temp.dmg"
-DMG_FINAL="${VOL_NAME}.dmg"         # final DMG name will be "SixEleven 6.1.1.dmg"
-STAGING_DIR="./Install"             # we copy all our stuff into this dir
-
-# Check the background image DPI and convert it if it isn't 72x72
-_BACKGROUND_IMAGE_DPI_H=`sips -g dpiHeight ${DMG_BACKGROUND_IMG} | grep -Eo '[0-9]+\.[0-9]+'`
-_BACKGROUND_IMAGE_DPI_W=`sips -g dpiWidth ${DMG_BACKGROUND_IMG} | grep -Eo '[0-9]+\.[0-9]+'`
-
-if [ $(echo " $_BACKGROUND_IMAGE_DPI_H != 72.0 " | bc) -eq 1 -o $(echo " $_BACKGROUND_IMAGE_DPI_W != 72.0 " | bc) -eq 1 ]; then
-   echo "WARNING: The background image's DPI is not 72.  This will result in distorted backgrounds on Mac OS X 10.7+."
-   echo "         I will convert it to 72 DPI for you."
-   
-   _DMG_BACKGROUND_TMP="${DMG_BACKGROUND_IMG%.*}"_dpifix."${DMG_BACKGROUND_IMG##*.}"
-
-   sips -s dpiWidth 72 -s dpiHeight 72 ${DMG_BACKGROUND_IMG} --out ${_DMG_BACKGROUND_TMP}
-   
-   DMG_BACKGROUND_IMG="${_DMG_BACKGROUND_TMP}"
-fi
-
-# clear out any old data
-rm -rf "${STAGING_DIR}" "${DMG_TMP}" "${DMG_FINAL}"
-
-# copy over the stuff we want in the final disk image to our staging dir
-mkdir -p "${STAGING_DIR}"
-cp -rpf "../../${APP_NAME}.app" "${STAGING_DIR}"
-# ... cp anything else you want in the DMG - documentation, etc.
-
-pushd "${STAGING_DIR}"
-
-# strip the executable
-echo "Stripping ${APP_EXE}..."
-strip -u -r "${APP_EXE}"
-
-# compress the executable if we have upx in PATH
-#  UPX: http://upx.sourceforge.net/
-if hash upx 2>/dev/null; then
-   echo "Compressing (UPX) ${APP_EXE}..."
-   upx -9 "${APP_EXE}"
-fi
-
-# ... perform any other stripping/compressing of libs and executables
-
-popd
-
-
-# figure out how big our DMG needs to be
-#  assumes our contents are at least 1M!
-echo -n "Size:"
-du -sh "${STAGING_DIR}"
-
-SIZE=`du -sh "${STAGING_DIR}" | sed 's/\([0-9\.]*\)M\(.*\)/\1/' | awk '{print int($1+2.5)}'` 
-# SIZE=`echo "${SIZE} + 1.0" | bc | awk '{print int($1+0.5)}'`
-echo "Size: $SIZE"
-
-if [ $? -ne 0 ]; then
-   echo "Error: Cannot compute size of staging dir"
-   exit
-fi
-
-# create the temp DMG file
-hdiutil create -srcfolder "${STAGING_DIR}" -volname "${VOL_NAME}" -fs HFS+ \
-      -fsargs "-c c=64,a=16,e=16" -format UDRW -size ${SIZE}m "${DMG_TMP}"
-
-echo "Created DMG: ${DMG_TMP}"
-
-# mount it and save the device
-DEVICE=$(hdiutil attach -readwrite -noverify "${DMG_TMP}" | \
-         egrep '^/dev/' | sed 1q | awk '{print $1}')
-
-sleep 2
-
-# add a link to the Applications dir
-echo "Add link to /Applications"
-pushd /Volumes/"${VOL_NAME}"
-ln -s /Applications
-popd
-
-# add a background image
-mkdir /Volumes/"${VOL_NAME}"/.background
-cp "${DMG_BACKGROUND_IMG}" /Volumes/"${VOL_NAME}"/.background/
-cp "${DMG_VOLUME_ICON}" /Volumes/"${VOL_NAME}"/.VolumeIcon.icns
-
-# tell the Finder to resize the window, set the background,
-#  change the icon size, place the icons in the right position, etc.
-echo '
-   tell application "Finder"
-     tell disk "'${VOL_NAME}'"
-           open
-           set current view of container window to icon view
-           set toolbar visible of container window to false
-           set statusbar visible of container window to false
-           set the bounds of container window to {400, 100, 920, 440}
-           set viewOptions to the icon view options of container window
-           set arrangement of viewOptions to not arranged
-           set icon size of viewOptions to 72
-           set background picture of viewOptions to file ".background:'${DMG_BACKGROUND_IMG}'"
-           set position of item "'${APP_NAME}'.app" of container window to {160, 205}
-           set position of item "Applications" of container window to {360, 205}
-           close
-           open
-           update without registering applications
-           delay 2
-     end tell
-   end tell
-' | osascript
-
-sync
-
-# unmount it
-hdiutil detach "${DEVICE}"
-
-# now make the final image a compressed disk image
-echo "Creating compressed image"
-hdiutil convert "${DMG_TMP}" -format UDZO -imagekey zlib-level=9 -o "${DMG_FINAL}"
-
-# clean up
-rm -rf "${DMG_TMP}"
-rm -rf "${STAGING_DIR}"
-
-echo 'Done.'
-
-exit