add python dependencies: magento and nltk
add a dependency on server-tools for the server_environment module
In .travis.yml, use sudo pip install otherwise odoo can't find the libs
write an .openerp_serverrc file so the server can start even with server_env
use version in 'env'
make styling consistent
tests fail in magentoerpconnect_order_comment because some data is time dependant ('There is no period defined for this date: 2013-10-14')
Deactivate the flake8 tests, they will be activated in the flake8 branch
disable flake8 on sphinx config. file and in recorded test data files
Fix flake8 warnings and errors
Activate flake8 tests