Merge pull request #171 from naemon/external_commands_syntax

Update external commands template

Author: nook24

src/documentation/developer/externalcommands/_command.tpl

@@ -28,7 +28,5 @@ const command = {% cmd %};
 # This is a shell script showing how to submit the {{ command.name }} command
 # to Naemon. Adjust variables to fit your environment as necessary.
 
-printf "[%%lu] {{ command.name }}{{ command.exampleArgStr }}\n" \
-    `date +%%s` \
-    > /var/lib/naemon/naemon.cmd
+printf "[%lu] {{ command.name }}{{ command.exampleArgStr }}\n" `date +%s` > /var/lib/naemon/naemon.cmd
 ```