vendor: cm: Updates for CM-14.0

 * Fix the backuptool for the new version
 * Update text references

Change-Id: I3d557cc4eb5feb07ebbff372dae6d165d29d94ee
diff --git a/prebuilt/common/bin/50-cm.sh b/prebuilt/common/bin/50-cm.sh
index c8b81cb..ff0d369 100755
--- a/prebuilt/common/bin/50-cm.sh
+++ b/prebuilt/common/bin/50-cm.sh
@@ -1,7 +1,7 @@
 #!/sbin/sh
 # 
 # /system/addon.d/50-cm.sh
-# During a CM13.0 upgrade, this script backs up /system/etc/hosts,
+# During a CM14.0 upgrade, this script backs up /system/etc/hosts,
 # /system is formatted and reinstalled, then the file is restored.
 #