[Imp]:Improve configuration warning msg

[imp]:remove space

[rem]:remove code

[imp]:remove changes

[imp]:remove changes

[rem]:remove unused changes
Merge pull request #638 from odoo-dev/master-improve-configuration-warnings-ssh

[IMP] account, account_voucher, google_drive, hr_timesheet, users: use redirectwarning instead of some warnings to ease the configuration process. Also fixed some css and js issues in the display of the redirect warning.