Merge pull request #7 from cppp-project/dev

Prepare for v3.0.0 release.

Merge pull request #4 from cppp-project/dev

[Pull Request] Prepare for release v2.1.0.

Fix `encode()` EILSEQ bug.

	修改：     ChangeLog
	修改：     include/cppp/reiconv.hpp.in

Use the newest gettext release.

* po/Makefile.in.in: Upgrade to gettext-0.21, keeping the change
	2019-01-27  Bruno Haible  <bruno@clisp.org>
	Accommodate a shell that is not in /bin/sh.
	* po/Makefile.in.in (SHELL): Use the value found by configure.

Update translations.

Prepare for version 1.15.

libiconv 1.14 release

Release 1.13.1.

Merged for 1.11.

Regenerated.