Rename libmsl to libsystem

aux/compiledb.sh

@@ -4,7 +4,7 @@ set -x
 
 make -B all_compiledb_kernel
 make -B all_compiledb_liballoc
-make -B all_compiledb_libmsl
+make -B all_compiledb_libsystem
 make -B all_compiledb_libprocess
 make -B all_compiledb_libterminal
 make -B all_compiledb_libstring

aux/devel.sh

@@ -8,7 +8,7 @@ else
   make -B all_kernel
 fi
 
-make -B all_libmsl
+make -B all_libsystem
 make -B all_liballoc
 make -B all_libprocess
 make -B all_libterminal

aux/docs.sh

@@ -5,7 +5,7 @@ set -x
 ./aux/compiledb.sh
 
 make -B docs_liballoc
-make -B docs_libmsl
+make -B docs_libsystem
 make -B docs_libprocess
 make -B docs_libstring
 make -B docs_libterminal

aux/format.sh

@@ -3,7 +3,7 @@
 set -x
 
 make -B format_kernel
-make -B format_libmsl
+make -B format_libsystem
 make -B format_libterminal
 make -B format_libprocess
 make -B format_liballoc