[WIP] Replace pyinotify by watchdog
[WIP] exhume branch for runbot (lost logs)
Merge remote-tracking branch 'odoo/master' into master-watchdog-fme
[IMP] FSWatcher method names
[FIX] ommit (-d, --database) in code reexecution's sys.args stripping

Stripping -d from sys.argv prevent odoo's `start` subcommand to work
properly. Besides, -d is not harmful for code reececution
Merge remote-tracking branch 'odoo/master' into master-watchdog-fme
[REM] Removed --auto-reload switch and bound feature to --dev switch
[FIX] Make watchdog python module optional
[IMP] filesystem watcher only activated on --dev mode (for the moment)
Check if the logger warning causes runbot warning
Merge pull request #1739 from odoo-dev/master-watchdog-fme

[IMP] Make autoreload work in --dev mode

- Replaced `pyinotify` by conditionally imported `watchdog`
- On code reload, restart process without losing --database argument (was crasing `odoo start` command)
- Removed `--auto-reload` in favor of `--dev`