solve the issue with virtualenv not installed on all interpreters.
Merge remote branch 'upstream/master'
remove the comment on the form entry
Merge pull request #341 from wraithan/master

Add m2crypto to build server
Update docs/faq.rst

Added a ? to a question.
Support for periods (dots) in versions for the `wipe` endpoint.
Merge pull request #343 from armooo/patch-1

Update docs/faq.rst
Comment out underscore redir test for now. Fixes #345
Merge pull request #346 from jkeyes/master

Allow dots in version parameter of `wipe_version` URL.
Merge pull request #330 from yeiniel/master

corrected the support for selecting from multiple python interpreters
Update build server name.
Fix build server again.
Log request errors.
Fix reg email
Add 500 view.
Add exception log file
Mess with more logging.
Don't claim the outcome of an unfinished build is 'failed'

This moves the 'build-state' span before the 'build-success' one to make
it more obvious that the build is still running. It also changes the
text of the 'build-success' span to 'Not yet finished' if the build
state is not 'finished'.
Don't mail exceptions, but log them.
Merge pull request #354 from mineo/build-state-not-finished

Don't claim the outcome of an unfinished build is 'failed'