Info3ds: added resizing of the window with the figure

and the list of vertices in the properties window,

info3ds, info3ds_u: files with menu icons are embedded into the program

programs/develop/libraries/libs-dev/libimg/import.inc

@@ -0,0 +1,20 @@
+align 4
+import_libimg:
+
+macro E_LIB n
+{
+if n eq lib_init
+	dd strz_#n
+else if defined sz_#n
+	n dd sz_#n
+end if
+}
+include 'export.inc'
+	dd 0,0
+macro E_LIB n
+{
+if used n
+	sz_#n db `n,0
+end if
+}
+include 'export.inc'