- removed implementation headers from the public interface

- corrected a few places that did not include those headers by other means
- Bugfix: SkeletonMeshBuilder should now finally work correctly when skipping invalid node connections

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@203 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/IRRMeshLoader.h

@@ -44,6 +44,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define AI_IRRMESHLOADER_H_INCLUDED
 
 #include "./irrXML/irrXMLWrapper.h"
+#include "BaseImporter.h"
 
 namespace Assimp	{