Update to gui-diff 0.5.0
Junit formatter for Midje.
Some tweaks to colorization
Merge pull request #207 from alexnixon/gui-diff-update

Update to gui-diff 0.5.0
added contributor
Merge branch 'master' of github.com:marick/Midje
Merge pull request #212 from josephwilk/junit-formatter

Junit formatter for Midje.
Ignore report.xml, created by junit emitter tests.