Update test-shebang.sh

Update shebang example to match common installation paths

bin/test-shebang.sh

@@ -1,3 +1,3 @@
-#!/Users/sharter/Dropbox/Shared/env/go/src/cronitor/cronitor -v exec d3x0c1 /usr/bin/env  cbash -e
+#!/usr/bin/cronitor -v exec d3x0c1 /usr/bin/env cbash -e
 # This script is used to test exec functionality
 echo "eureka!"