Change example interval to something more sane
Add space_used_percentage
version bump
Merge pull request #45 from dafyddcrosby/disk_pct

Add space_used_percentage
Use @ewilhelm simpler float
adding reserved space, now resembles df percentage output, courtesy @ewilhelm
Merge pull request #46 from dafyddcrosby/improve_disk_pct

adding reserved space, now resembles df percentage output
Ignore mounts that have 0 blocks
version bump
Merge pull request #47 from dafyddcrosby/fix_nan_fs

Ignore mounts that have 0 blocks
Test to show behaviour when there's empty metrics
Define a default interval so the disk collector can be run by hand without passing it a JSON blob.
Rev pan version for disk interval change.
Merge pull request #49 from bdha/disk_default_interval

Define a default interval for the disk collector