Create tox / venv builder for all builders

[adiroiban]

This requires Twisted updates https://twistedmatrix.com/trac/ticket/8544 so that we have tox env for everything

This creates tox/venv builders for nomodules and bdist ... and windows builders

After this merged, #220 should be easy to fix

windows builders are stuck at cleaning/recreating the venv

[glyph]

This looks fine to deploy, just eyeballing it, but is there any way to verify the buildmaster configuration on the dev VM, or do we just have to deploy and hope?

👍 , such as it is on this repo :)

[adiroiban]

The nomodules can be tested in the dev VM, as it is running Linux.
The bdist and windows with or without coverage can't be tested using braid... but you can set up a Win VM, start a slave on it and trigger a build

Installing buildslave on windows is documented here https://twistedmatrix.com/trac/wiki/ContinuousIntegration/Buildslaves#BuildslaveonWindows

But, no, we don't have a vagrant config form creating a Windows VM and putting it all together so that you can have the windows slave up and running just by using a command.

I read the docs about getting a Win guest with Vagrant (http://huestones.co.uk/node/305) but for our needs and due to licensing issues, using Vagrant looks more complicated than doing a manual Win slave.

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The description was wrong.
The related ticket is https://twistedmatrix.com/trac/ticket/8544

so you would help to review 8544 to see if the tox env names are ok as otherwise we will need