- removed all #include "interface.h" from files. this is a local/internal

include only (use BIF_interface.h instead)
- split up interface.c in two files: NEW: interface_panel.c
- removed the temporal text files

WARN: FIX AUTOMAKE AND MSVC!

source/blender/src/editconstraint.c

@@ -61,7 +61,6 @@
 
 #include "BSE_editaction.h"
 
-#include "interface.h"
 #include "blendef.h"
 #include "nla.h"