title: Error: Range-based 'for' loops are not allowed in C++98 mode
body: <p>So I'm following the tutorials on this page: 
  <a href="http://www.cplusplus.com/doc/tutorial/control/" rel="nofollow noreferrer">http://www.cplusplus.com/doc/tutorial/control/</a>
  But I'm having trouble doing a range/based for loop. I found this page:
  <a href="https://stackoverflow.com/questions/12822851/gnu-gcc-compiler-updating">GNU GCC compiler updating</a>The answer there says I should open "Project" and "Properties". But when I try that, the "Properties" option is grayed out with no explanation:
  <a href="http://imageshack.com/a/img571/4371/xd1x.png" rel="nofollow noreferrer">http://imageshack.com/a/img571/4371/xd1x.png</a>
  So.. how can I activate range/based for loops?</p>