Updated Nimrod for C programmers (markdown)

Nimrod-for-C-programmers.md

@@ -9,6 +9,13 @@ The manual provides a more or less complete overview of the language:
 
 http://nimrod-lang.org/manual.html
 
+### At a glance
+
+<table>
+<tr><th>Feature</th><th>C</th><th>Nimrod</th></tr>
+<tr><td>Memory Management</td><td>Manual (not counting libraries)</td><td>Garbage-collected and manual</td></tr>
+<tr><td> </td><td> </td><td> </td></tr>
+</table>
 ### Structs - Tuples and Objects
 
 Tuples and Objects in Nimrod are kind of like structs in C, but not really.