vagrantfile: Workaround for the atlas.hashicorp.com redirect removal.
vagrantfile: Workaround for the atlas.hashicorp.com redirect removal.

This workaround is only for new users. Users who are/were using old
versions of Vagrant has to manually change the value of box
metadata_url. See https://github.com/hashicorp/vagrant/issues/9442

showell/zulip,kou/zulip,synicalsyntax/zulip,kou/zulip,rishig/zulip,synicalsyntax/zulip,showell/zulip,eeshangarg/zulip,hackerkid/zulip,dhcrzf/zulip,eeshangarg/zulip,dhcrzf/zulip,zulip/zulip,dhcrzf/zulip,dhcrzf/zulip,jackrzhang/zulip,rishig/zulip,synicalsyntax/zulip,rht/zulip,tommyip/zulip,rht/zulip,kou/zulip,jackrzhang/zulip,jackrzhang/zulip,timabbott/zulip,rht/zulip,tommyip/zulip,zulip/zulip,synicalsyntax/zulip,hackerkid/zulip,timabbott/zulip,hackerkid/zulip,jackrzhang/zulip,eeshangarg/zulip,timabbott/zulip,dhcrzf/zulip,jackrzhang/zulip,timabbott/zulip,brainwane/zulip,timabbott/zulip,andersk/zulip,eeshangarg/zulip,zulip/zulip,zulip/zulip,timabbott/zulip,eeshangarg/zulip,shubhamdhama/zulip,rht/zulip,jackrzhang/zulip,tommyip/zulip,shubhamdhama/zulip,zulip/zulip,rht/zulip,dhcrzf/zulip,synicalsyntax/zulip,tommyip/zulip,andersk/zulip,punchagan/zulip,zulip/zulip,kou/zulip,shubhamdhama/zulip,brainwane/zulip,rht/zulip,jackrzhang/zulip,punchagan/zulip,punchagan/zulip,tommyip/zulip,showell/zulip,punchagan/zulip,rishig/zulip,brainwane/zulip,punchagan/zulip,showell/zulip,kou/zulip,hackerkid/zulip,andersk/zulip,brainwane/zulip,dhcrzf/zulip,eeshangarg/zulip,punchagan/zulip,timabbott/zulip,hackerkid/zulip,brainwane/zulip,hackerkid/zulip,shubhamdhama/zulip,rht/zulip,zulip/zulip,rishig/zulip,andersk/zulip,kou/zulip,showell/zulip,brainwane/zulip,andersk/zulip,rishig/zulip,tommyip/zulip,punchagan/zulip,shubhamdhama/zulip,synicalsyntax/zulip,tommyip/zulip,shubhamdhama/zulip,andersk/zulip,kou/zulip,hackerkid/zulip,andersk/zulip,showell/zulip,shubhamdhama/zulip,eeshangarg/zulip,rishig/zulip,synicalsyntax/zulip,rishig/zulip,showell/zulip,brainwane/zulip