#2512 implement the 3.0 gettext API

All the u* gettext variants were renamed to their
none u* variants, since there's no point in translating
to byte strings. I also killed off the unicode parameters
for install
diff --git a/Misc/NEWS b/Misc/NEWS
index 4024991..e4178c0 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -32,6 +32,9 @@
   code of every single module of the standard library, including invalid files
   used in the test suite.
 
+- All the u* variant functions and methods in gettext have been renamed to their
+  none u* siblings.
+
 C API
 -----