* .travis.yml: Install libidn2-dev instead libidn11-dev.
* bootstrap.conf: Add modules libunistring-optional, unistr/base,
unicase/tolower.
* configure.ac: Check for libidn2.
* src/Makefile.am: Add $(LTLIBUNISTRING) to LDADD.
* tests/Makefile.am: Set LDADD similar to LDADD in src/Makefile.am
* src/connect.c: Use libidn2 code instead of libidn.
* src/host.c: Likewise.
* src/iri.c: Likewise.
* src/iri.h: Likewise.
* src/options.h: Likewise.
* src/url.c: Likewise.
* src/url.h: Likewise.
* src/log.c: Fix C99 comment.
IDN2003 should not be used any more due to security concerns.
We use libunistring (resp. the unicode code from gnulib) for
lowercasing UTF-8 before we give data to libidn2.
TR#46 is missing, no support in libidn2 nor in libunistring.
* .travis.yml: Configuration file for Travis-CI
* contrib/travis-ci: Script to run on travis. Similar to check-hard but modified
for travis.
* tests/valgrind-suppressions{-ssl}: Add extra suppressions to prevent a
Valgrind False Positive errors in an old version
Since Travis currently supports only public repositories on GitHub, the support
for automated testing through Travis will be done using my Clone of Wget on
GitHub at: https://github.com/darnir/wget.git
Any commits pushed to this repository will trigger a build on Travis.