remove DSL-change banner
Update vagrant-manager to v2.1.2

Update vagrant-manager to v2.1.2

Upgrade vagrant-manager to version 2.1.2. Latest version release 9th November 2014
Merge pull request #7698 from rolandwalker/remove_dsl_banner

remove DSL-change banner
Upgrade Slack to 1.0.2
Update bitmessage to 0.4.4
Merge pull request #7706 from retbrown/vagrant-manager

Update vagrant-manager to v2.1.2
Merge pull request #7714 from askielboe/update-bitmessage-0.4.4

Update bitmessage to 0.4.4
Merge pull request #7713 from srushe/upgrade-slack-to_v1_0_2

Upgrade Slack to 1.0.2