RecursiveDirectoryIterator and ListMap

1) Recursive and SortedDirectoryIterator

- added to VS projects
- fixed some style/formatting
- fxed windows tests

2) Added ListMap

Poco::ListMap is a std::mulitimap-like container that preserves
insertion order (needed to prevent Net message headers)

Foundation/src/SortedDirectoryIterator.cpp

@@ -37,8 +37,8 @@
 #include <algorithm>
 
 
-namespace Poco
-{
+namespace Poco {
+
 
 SortedDirectoryIterator::SortedDirectoryIterator()
 	: DirectoryIterator(), _is_finished(true)