develop/libraries/box_lib: Post-SVN tidy

- Move source code from `trunk` into program root directory.
- Update build files and ASM include paths.
- Note: Line endings standardised from `CRLF` > `LF`, so best to view diffs with whitespace changes hidden.

programs/system/cpu/trunk/cpu.asm

@@ -1,3 +1,7 @@
+; SPDX-License-Identifier: NOASSERTION
+;
+
+
 ;-----------------------;
 ; CPU - process manager ;
 ;-----------------------;
@@ -18,7 +22,7 @@
 ;-------------------------------------------------------------------------------
 include "lang.inc" ; Language support for locales (UTF-8): de_DE, et_EE, ru_RU, it_IT, en_US.
 include "../../../macros.inc"
-include "../../../develop/libraries/box_lib/trunk/box_lib.mac"
+include "../../../develop/libraries/box_lib/box_lib.mac"
 include "../../../KOSfuncs.inc"
 include "../../../load_lib.mac"
 ;-------------------------------------------------------------------------------