Fixing a help message
Merge pull request #77 from gomezgoiri/master

Fixing a help message
Don't show the 'lxml not found' so often. Only when running tests
Merge branch 'master' of https://github.com/weblabdeusto/weblabdeusto
Update first_steps.rst
Add --not-interactive option to weblab-admin
Merge branch 'master' of https://github.com/weblabdeusto/weblabdeusto
Support 'File sent' message
Fix pymysql fallback in the weblab-admin upgrader
Support --coordination-redis-host, as suggested by @gomezgoiri
Merge branch 'master' of github.com:/weblabdeusto/weblabdeusto into archimedes_speed