Tweaked the update script to properly handle changing git submodule

source URLs and removed "successfully" from the line saying the update
script completed since it never actually tests to see if it was
successful.

update

@@ -17,6 +17,7 @@ fi
 
 echo "Updating darkcloud-vimconfig..."
 git pull origin
+git submodule sync
 
 echo -e "\nUpdating plugin submodules..."
 git submodule update --init --recursive
@@ -58,5 +59,5 @@ echo "Generating updated helpdocs for installed plugins..."
 [[ `type -P vim` ]] && vim -c "Helptags|qa!" &>/dev/null 2>&1
 echo
 
-echo "Successfully completed!"
+echo "Update Complete!"
 exit 0