Do not throw error if require ert fails.

This is because if using Emacs 23, the package needs to have a chance to
load ert from vendor.
Release v0.4.3.
Add --tags to filter by tags
Hack around Emacs bug 16121

See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16121
Fix tag filtering for Emacs 24.3.

Ert sorts the results differently on Emacs 24.3 and snapshot. This
change ignores the order.
Merge pull request #11 from rejeep/tag-filtering

Tag filtering
Bundle ert for older versions.
Release v0.5.0.
Use shut-up.
Use Commanders new auto doc feature.
Add -L option to add path to load-path.
Release v0.6.0.
Fix print when mode is no-win/win.
Release v0.6.1.
Update Travis config.
Merge branch 'travis'
Use new shut-up function to silence Emacs.
Release v0.6.2.
Depend on more recent shut-up version.
Prevent output from load if we're running in quiet mode.