openmicroscopy/openmicroscopy — pull request #858 by sbesson (2013-03-13 09:17:33+00:00)
Title: Homebrew installation: virtualenv URL (rebased onto develop)

This is the same as gh-854 but rebased onto develop.

----

This PR should fix an unbound variable error in [OMERO-homebrew-stable#134](http://hudson.openmicroscopy.org.uk/job/OMERO-homebrew-stable/OSX=10.7.5/134/console).

- initialise VENV_URL to the list of variables
- use pip installation instead of Homebrew installation for sec