Move back to statically named mod.(ico|icns).

This simplifies early packaging attempts: showing
a placeholder icon is more user friendly than
throwing an error.

packaging/osx/buildpackage.sh

@@ -80,7 +80,7 @@ popd > /dev/null
 
 # Add mod files
 cp -r "${TEMPLATE_ROOT}/mods/"* "${BUILTDIR}/OpenRA.app/Contents/Resources/mods"
-cp "${MOD_ID}.icns" "${BUILTDIR}/OpenRA.app/Contents/Resources/"
+cp "mod.icns" "${BUILTDIR}/OpenRA.app/Contents/Resources/${MOD_ID}.icns"
 
 pushd "${BUILTDIR}" > /dev/null
 mv "OpenRA.app" "${PACKAGING_OSX_APP_NAME}"

packaging/windows/buildpackage.sh

@@ -68,12 +68,12 @@ popd > /dev/null
 
 # Add mod files
 cp -r "${TEMPLATE_ROOT}/mods/"* "${BUILTDIR}/mods"
-cp "${MOD_ID}.ico" "${BUILTDIR}"
+cp "mod.ico" "${BUILTDIR}/${MOD_ID}.ico"
 cp "${SRC_DIR}/OpenRA.Game.exe.config" "${BUILTDIR}"
 
 echo "Compiling Windows launcher"
 sed "s|DISPLAY_NAME|${PACKAGING_DISPLAY_NAME}|" "${SRC_DIR}/packaging/windows/WindowsLauncher.cs.in" | sed "s|MOD_ID|${MOD_ID}|" | sed "s|FAQ_URL|${PACKAGING_FAQ_URL}|" > "${BUILTDIR}/WindowsLauncher.cs"
-mcs -sdk:4.5 "${BUILTDIR}/WindowsLauncher.cs" -warn:4 -codepage:utf8 -warnaserror -out:"${BUILTDIR}/${PACKAGING_WINDOWS_LAUNCHER_NAME}.exe" -t:winexe ${LAUNCHER_LIBS} -win32icon:"${MOD_ID}.ico"
+mcs -sdk:4.5 "${BUILTDIR}/WindowsLauncher.cs" -warn:4 -codepage:utf8 -warnaserror -out:"${BUILTDIR}/${PACKAGING_WINDOWS_LAUNCHER_NAME}.exe" -t:winexe ${LAUNCHER_LIBS} -win32icon:"${BUILTDIR}/${MOD_ID}.ico"
 rm "${BUILTDIR}/WindowsLauncher.cs"
 mono "${SRC_DIR}/fixheader.exe" "${BUILTDIR}/${PACKAGING_WINDOWS_LAUNCHER_NAME}.exe" > /dev/null