Rewritten grep example program.

"touched" some of the sources to force regression tests to rebuild.
Split test code up some more to help msvc-stlport.


[SVN r26705]

src/instances.cpp

@@ -30,4 +30,3 @@
 #include <boost/regex.hpp>
 
 #endif
-

src/winstances.cpp

@@ -31,3 +31,5 @@
 
 #endif
 
+
+