bump thunderbird to 31.1.0
Upgrade OBS to 0.5.1
Merge pull request #5985 from fly/thunderbird

bump thunderbird to 31.1.0
Merge pull request #5986 from castor4bit/upgrade_obs_0.5.1

Upgrade OBS to 0.5.1
Update vagrant to version 1.6.4
Merge pull request #5989 from hnakamur/vagrant_1.6.4

Update Vagrant to version 1.6.4
Upgrade Opera.app to 24.0.1558.53
Merge pull request #5996 from crainiarc/opera

Upgrade Opera.app to 24.0.1558.53