improved hostConfig reload
Don't show network related warnings when networking is disabled
Merge pull request #1849 from dotcloud/better_handle_hostConfig

Improved hostConfig reload
Only mount hostname files if config exists
Merge pull request #1896 from dotcloud/1885-missing-hostfile

Only mount hostname files if config exists
Merge pull request #1894 from dotcloud/1891-remove_useless_warnings

Don't show network related warnings when networking is disabled