Update Encode to CPAN version 2.54
[DELTA]
$Revision: 2.54 $ $Date: 2013/08/29 16:47:39 $
! Encode.xs
+ t/cow.t
Addressed: COW breakage with _utf8_on()
https://rt.cpan.org/Ticket/Display.html?id=88230
! Encode.pm
Reverted the document accordingly to #11
https://github.com/dankogai/p5-encode/pull/10
+ t/decode.t
Unit test for decoding behavior change in #11
https://github.com/dankogai/p5-encode/pull/12
2.53 2013/08/29 15:20:31
! Encode.pm
Merged: Do not short-circuit decode_utf8 with utf8 flags
https://github.com/dankogai/p5-encode/pull/11
Merged: document decode_utf8 behaviour more precise
https://github.com/dankogai/p5-encode/pull/10
! Makefile.PL
Added repository cpan metadata
https://github.com/dankogai/p5-encode/pull/9