Added Jack Burton's DataIO-related stuff and cleaned things up a bit.

Several files managed to get left out of the build process; changes to
support.src fixed that.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@930 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/support/support.src

@@ -1,7 +1,11 @@
 SUPPORT_KIT_SOURCE =
 	Archivable.cpp
+	BlockCache.cpp
 	DataIO.cpp
+	Flattenable.cpp
+	List.cpp
 	Locker.cpp
+	MallocIO.cpp
 	StopWatch.cpp
 	String.cpp
 ;