Added RAW Loader. Tested with various configurations, seems to work.

Added OFF Loader. Tested with various configurations, seems to work.
Added POLYLINE support to the DXF Loader.
Added WIP version of the MDR loader - disabled and not yet working.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@145 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/Importer.cpp

@@ -90,11 +90,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #if (!defined AI_BUILD_NO_SMD_IMPORTER)
 #	include "SMDLoader.h"
 #endif
-#if 0
 #if (!defined AI_BUILD_NO_MDR_IMPORTER)
 #	include "MDRLoader.h"
 #endif
-#endif
 #if (!defined AI_BUILD_NO_MDC_IMPORTER)
 #	include "MDCLoader.h"
 #endif
@@ -113,6 +111,12 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #if (!defined AI_BUILD_NO_NFF_IMPORTER)
 #	include "NFFLoader.h"
 #endif
+#if (!defined AI_BUILD_NO_RAW_IMPORTER)
+#	include "RAWLoader.h"
+#endif
+#if (!defined AI_BUILD_NO_OFF_IMPORTER)
+#	include "OffLoader.h"
+#endif
 
 
 // PostProcess-Steps
@@ -211,11 +215,11 @@ Importer::Importer() :
 #if (!defined AI_BUILD_NO_SMD_IMPORTER)
 	mImporter.push_back( new SMDImporter());
 #endif
-#if 0
+/*
 #if (!defined AI_BUILD_NO_MDR_IMPORTER)
 	mImporter.push_back( new MDRImporter());
 #endif
-#endif
+ */
 #if (!defined AI_BUILD_NO_MDC_IMPORTER)
 	mImporter.push_back( new MDCImporter());
 #endif
@@ -234,6 +238,12 @@ Importer::Importer() :
 #if (!defined AI_BUILD_NO_NFF_IMPORTER)
 	mImporter.push_back( new NFFImporter());
 #endif
+#if (!defined AI_BUILD_NO_RAW_IMPORTER)
+	mImporter.push_back( new RAWImporter());
+#endif
+#if (!defined AI_BUILD_NO_OFF_IMPORTER)
+	mImporter.push_back( new OFFImporter());
+#endif
 
 	// add an instance of each post processing step here in the order 
 	// of sequence it is executed. steps that are added here are not validated -