#13 set examples to most recent version to fix #12

Originally at 2014-09-07T22:52:23Z by Jan Tomsa closed at 2014-09-08T14:11:33Z (pull request) I've updated the 'examples' submodule to https://github.com/amber-smalltalk/amber-examples/commit/d7f9a9993739dcd3bd49eedef9a464a381ebbfc9 to incorporate the fixes in the website.