Add cow-hide.exe to allow COW running in silence.

script/README.md

@@ -4,5 +4,9 @@ Copied `goagent.exe`, modified the string table and icon using reshack.
 
 Thanks for the taskbar project created by @phuslu.
 
+# About cow-hide.exe
+
+Allow you to run COW as a background process, without any notifications.
+
 Icon from [IconArchive](http://www.iconarchive.com/show/animal-icons-by-martin-berube/cow-icon.html), thanks to the author Martin Berube.
 

script/build.sh

@@ -25,7 +25,7 @@ build() {
         mv cow.exe script
         pushd script
         sed -e 's/$/\r/' ../doc/sample-config/rc > sample-rc.txt
-        zip $name.zip cow.exe cow-taskbar.exe sample-rc.txt
+        zip $name.zip cow.exe cow-taskbar.exe cow-hide.exe sample-rc.txt
         rm -f cow.exe sample-rc.txt
         mv $name.zip ../bin/
         popd