Small fix to the ASE loader - workaround for bitmaps with filename "None".

Further work on the IRR loader. Still work in progress.
Fixed a minor issue in StandardShapes.
Fixed a bug in the Q3D loader causing models without textures to load incorrectly.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@225 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/FindInvalidDataProcess.cpp

@@ -208,7 +208,7 @@ inline bool ProcessArray(T*& in, unsigned int num,const char* name,
 template <typename T>
 inline bool AllIdentical(T* in, unsigned int num)
 {
-	if (!num)return true;
+	if (num <= 1)return true;
 	for (unsigned int i = 0; i < num-1;++i)
 	{
 		if (in[i] != in[i+1])return false;