Update hello_node.adoc
Update hello_node.adoc

Fixed new line breaks. 

Modified table cell space of: 
translation table to 55,15,15,15
scaling table to 55,15,15,15 
to give more space to the first column since it contains more text.
Modified table cell space of:
troubleshooting table to 40,60
to give more space to second column since it contains more text.
jMonkeyEngine/wiki.jmonkeyengine.org,jMonkeyEngine/wiki.jmonkeyengine.org,jMonkeyEngine/wiki.jmonkeyengine.org,jMonkeyEngine/wiki.jmonkeyengine.org