Add option to disable reporting of all cores other than total, as on
servers with large numbers of cores this can use a lot of disk space with
little interest in per core numbers.
Record the current maxconnections settings, so we've got it to compare
against in stats.
Try to get device mount information, but continue and log if it fails
Dont try to load collectors files that start with a period. It can be extended attribute files or vim backups or similar and can lead to some weird errors.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/collectors/diskspace/diskspace.py
Merge remote-tracking branch 'upstream/master'
Silence unnecessary messages
Remove more unnecessary log messages
Merge remote-tracking branch 'upstream/master'
Merge pull request #315 from ciranor/master

Remove unnecessary log messages