Merge pull request shirou#733 from eshimizu/eshimizu-patch-1

Update disk_linux.go remove unused runtime package

Merge pull request shirou#708 from Lomanic/windows-snapprocess-loop

[process][windows] Deduplicate repeated code in CreateToolhelp32Snapshot related functions

Merge pull request shirou#685 from cmattoon/conntrack-stat

Adds ConntrackStats (/proc/net/stat/nf_conntrack)

Merge pull request shirou#674 from lootek/more-vmstat

Add pages in/out/fault statistics (as read from vmstat)

Merge pull request shirou#659 from mingrammer/gofmt

Refactor with gofmt

Merge pull request shirou#626 from mznet/manual-available-memory-calc…

…ulation

Manual available memory calculation

Merge pull request shirou#593 from nvinzens/master

replace self/mounts with self/mountinfo

[mem][darwin] Fix shirou#622 include Inactive memory in total calcula…

…tion in TestVirtual_memory

[mem][darwin] Fix shirou#622 include Inactive memory in total calcula…

…tion in TestVirtual_memory

Merge pull request shirou#609 from Lomanic/windows-process-children

[process][windows] Use win32 API in process.Children() instead of slow WMI call