Merge branch 'release/0.69' into develop
switch to http:// url.
protect fatpacked perlbrew from PERL5LIB
Silence "print() on closed filehandle" warnings

Trivial nit: If $PERLBREW_ROOT/perls/perl-*.*.*/.version is read-only (e.g.,
a root-owned, system-wide directory like "/opt/perlbrew"), don't try to write
to it.
Merge pull request #403 from DabeDotCom/fix_read_only_version_file

Silence "print() on closed filehandle" warnings
Merge pull request #387 from dagolden/topic/protect-from-perl5lib

Protect fatpacked perlbrew from existing INC
rebuild the dev version.
set $ENV{SHELL} if it's missing
update the list of perl versions supported by travis-ci.
Merge pull request #404 from maxhq/develop

set $ENV{SHELL} if it's missing
check /proc, of course.
Merge branch 'master' into develop
rebuild
rebuild with updated fattlibs
try to use 'prove' command for travis-ci.
some notable changes.
always catchup with latest CPAN::Perl::Releases.
Sort by `order` key, rather than by ref address
Merge pull request #406 from taryk/develop

Sort http clients correctly
make it possible to override PERLBREWURL externallly.

So srcipt like this should work:

    export PERLBREWURL=http://example.com/install-perlbrew
    \curl -L http://install.perlbrew.pl | bash