Refactoed common function

These common function is renamed with _common
explicitly.

script/lib/parainstall_msg_common.sh

@@ -0,0 +1,30 @@
+#!/bin/bash -u
+
+function para_install_msg_common() {
+
+	cat <<- HEREDOC
+	******************************************************************************
+	The pre-install process is done. We are ready to install the Linux to the 
+	target storage device. By pressing return key, GUI/TUI installer starts.
+
+	Please pay attention to the partition/logical volume mapping configuration. 
+	In this installation, you have to map the previously created partitions/logical
+	volumes to the appropriate directories of the target system as followings :
+
+	HEREDOC
+
+	# In the EFI system, add this mapping
+	if [  ${ISEFI} -eq 1 ] ; then
+		echo "/boot/efi        : ${DEV}${EFIPARTITION}"
+	fi
+
+	# Root volume mapping
+	echo "/                : /dev/mapper/${VGNAME}-${LVROOTNAME}"
+
+	# In case of erased storage, add this mapping
+	if [ ${ERASEALL} -eq 1 ] ; then
+		echo "swap             : /dev/mapper/${VGNAME}-${LVSWAPNAME}"
+	fi
+
+	return 0
+}