Fixed significant no-client build issue
[archimedes]: Added a work-around for a Python bug in ThreadPool (only present in some versions)
[archimedes]: Fixed previous workaround
[weblab-admin]: Minor changes. Now should return error codes on most errors (rather than 0)
[weblab-admin]: An instance is not started if its PID is present and running already
[archimedes]: Lowered refresh times + minor changes. Seems to work better than dynamically modifying them.
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
Force to redownload GWT if it is using an old version
Add first template of the new client
Started adding flask to the new client
[flaskclient] Moved templates & static files, index now works in flask