[REF] core: Remove psycogreen dependency
Purpose:
The psycogreen module is unmaintained. Last source update was in
2015 and last pypi package was in 2012. Odoo only use a small
part of the psycogreen module that could be written directly in
the odoo code. This commit reproduce the small function from
psycogreen used in ODoo and remove all depencies from it.
Also the copyright and license are honored and the documentation
is updated accordingly.
pypi pckage: https://pypi.python.org/pypi/psycogreen
bitbucket repos: https://bitbucket.org/dvarrazzo/psycogreen/
This commit is contained in:
Christophe Monniez