[FIX] tools: don't save dev_mode in config file.
[FIX] tools: don't save dev_mode in config file.

When user reset master password from web database manager, the
config file is saved.

If server was started in dev_mode the param dev_mode was saved
in openerp_serverrc silently. (in 9 or always in trunk)

Remind: --dev_mode should be never used on a production server.

dfang/odoo,laslabs/odoo,dfang/odoo,ygol/odoo,laslabs/odoo,ygol/odoo,hip-odoo/odoo,microcom/odoo,storm-computers/odoo,bplancher/odoo,microcom/odoo,Elico-Corp/odoo_OCB,hip-odoo/odoo,Elico-Corp/odoo_OCB,bplancher/odoo,bplancher/odoo,ygol/odoo,laslabs/odoo,hip-odoo/odoo,storm-computers/odoo,bplancher/odoo,microcom/odoo,Elico-Corp/odoo_OCB,storm-computers/odoo,bplancher/odoo,laslabs/odoo,laslabs/odoo,hip-odoo/odoo,ygol/odoo,dfang/odoo,bplancher/odoo,dfang/odoo,dfang/odoo,hip-odoo/odoo,storm-computers/odoo,ygol/odoo,Elico-Corp/odoo_OCB,microcom/odoo,storm-computers/odoo,laslabs/odoo,ygol/odoo,storm-computers/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,ygol/odoo,dfang/odoo,microcom/odoo,microcom/odoo,hip-odoo/odoo