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Ensure that all necessary libs and flags are passed along,
such as adding -ltinfo when needed.

Closes #198.

match load averages description to what it actually shows

Manpage update

Integrate Travis-CI

Add Darwin swap meter

(See #292.)

OpenBSD port updates and error exit improvements

err.h functions corrupts the terminal when using curses.

Fix a case where the usertime calculation can overflow (see issue #202)

Darwin cpu average

add hint about system configuration file

Closes #293.

PPID and JID update fix

Fixed reparenting issue. PPID should be updated each refresh as any process can get reparented to either
PID1 or even any other PID (if there are custom reapers in the system).
Similar issue with jails, elevated process can ask kernel to attach itself into any jail at any time,
thus JID and jail name can change each refresh cycle.

https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man3/signal.3.html