made the pack completely portable and wrote relevent bat files to go with it

gitportable/mingw64/share/licenses/gettext-runtime/COPYING

@@ -0,0 +1,13 @@
+The gettext-runtime package is partially under the LGPL and partially under
+the GPL.
+
+The following parts are under the LGPL, see file intl/COPYING.LIB:
+  - the libintl and libasprintf libraries and their header files,
+  - the libintl.jar Java library,
+  - the GNU.Gettext.dll C# library,
+  - the gettext.sh shells script function library.
+
+The following parts are under the GPL, see file COPYING in the toplevel
+directory:
+  - the _programs_ gettext, ngettext, envsubst,
+  - the documentation.